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Finding the Fourth Proportional to 566,440.80, 849,661.20 and 314,498.40

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Solution

The fourth proportional to 566,440.80, 849,661.20 and 314,498.40 is: 471,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,440.80 : 849,661.20 = 314,498.40 : x
  2. Step 2: Convert to fraction form
    566,440.80/849,661.20 = 314,498.40/x
  3. Step 3: Cross multiply
    566,440.80x = 849,661.20 × 314,498.40
  4. Step 4: Simplify right side
    566,440.80x = 267,217,087,942.08
  5. Step 5: Solve for x
    x = 267,217,087,942.08/566,440.80
  6. Step 6: Final answer
    x = 471,747.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.