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Finding the Fourth Proportional to 566,327.80, 849,491.70 and 314,385.40

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Solution

The fourth proportional to 566,327.80, 849,491.70 and 314,385.40 is: 471,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,327.80 : 849,491.70 = 314,385.40 : x
  2. Step 2: Convert to fraction form
    566,327.80/849,491.70 = 314,385.40/x
  3. Step 3: Cross multiply
    566,327.80x = 849,491.70 × 314,385.40
  4. Step 4: Simplify right side
    566,327.80x = 267,067,787,901.18
  5. Step 5: Solve for x
    x = 267,067,787,901.18/566,327.80
  6. Step 6: Final answer
    x = 471,578.10

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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.