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Finding the Fourth Proportional to 616,165.70, 922,693.35 and 457,535.30

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Solution

The fourth proportional to 616,165.70, 922,693.35 and 457,535.30 is: 685,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,165.70 : 922,693.35 = 457,535.30 : x
  2. Step 2: Convert to fraction form
    616,165.70/922,693.35 = 457,535.30/x
  3. Step 3: Cross multiply
    616,165.70x = 922,693.35 × 457,535.30
  4. Step 4: Simplify right side
    616,165.70x = 422,164,778,700.26
  5. Step 5: Solve for x
    x = 422,164,778,700.26/616,165.70
  6. Step 6: Final answer
    x = 685,148.13

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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.