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Finding the Fourth Proportional to 659,528, 910,148.76 and 373,041.92

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Solution

The fourth proportional to 659,528, 910,148.76 and 373,041.92 is: 514,797.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,528 : 910,148.76 = 373,041.92 : x
  2. Step 2: Convert to fraction form
    659,528/910,148.76 = 373,041.92/x
  3. Step 3: Cross multiply
    659,528x = 910,148.76 × 373,041.92
  4. Step 4: Simplify right side
    659,528x = 339,523,640,916.02
  5. Step 5: Solve for x
    x = 339,523,640,916.02/659,528
  6. Step 6: Final answer
    x = 514,797.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.