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Finding the Fourth Proportional to 504,041.80, 756,062.70 and 457,385.80

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Solution

The fourth proportional to 504,041.80, 756,062.70 and 457,385.80 is: 686,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,041.80 : 756,062.70 = 457,385.80 : x
  2. Step 2: Convert to fraction form
    504,041.80/756,062.70 = 457,385.80/x
  3. Step 3: Cross multiply
    504,041.80x = 756,062.70 × 457,385.80
  4. Step 4: Simplify right side
    504,041.80x = 345,812,342,889.66
  5. Step 5: Solve for x
    x = 345,812,342,889.66/504,041.80
  6. Step 6: Final answer
    x = 686,078.70

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Similar ratio
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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.