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Finding the Fourth Proportional to 566,145.90, 849,218.85 and 192,168.90

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Solution

The fourth proportional to 566,145.90, 849,218.85 and 192,168.90 is: 288,253.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,145.90 : 849,218.85 = 192,168.90 : x
  2. Step 2: Convert to fraction form
    566,145.90/849,218.85 = 192,168.90/x
  3. Step 3: Cross multiply
    566,145.90x = 849,218.85 × 192,168.90
  4. Step 4: Simplify right side
    566,145.90x = 163,193,452,263.77
  5. Step 5: Solve for x
    x = 163,193,452,263.77/566,145.90
  6. Step 6: Final answer
    x = 288,253.35

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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.