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Finding the Fourth Proportional to 738,353.52, 1,019,181 and 432,528

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Solution

The fourth proportional to 738,353.52, 1,019,181 and 432,528 is: 597,036.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,353.52 : 1,019,181 = 432,528 : x
  2. Step 2: Convert to fraction form
    738,353.52/1,019,181 = 432,528/x
  3. Step 3: Cross multiply
    738,353.52x = 1,019,181 × 432,528
  4. Step 4: Simplify right side
    738,353.52x = 440,824,319,568
  5. Step 5: Solve for x
    x = 440,824,319,568/738,353.52
  6. Step 6: Final answer
    x = 597,036.93

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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.