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Finding the Fourth Proportional to 359,037.49, 538,569.91 and 134,374.27

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Solution

The fourth proportional to 359,037.49, 538,569.91 and 134,374.27 is: 201,566.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,037.49 : 538,569.91 = 134,374.27 : x
  2. Step 2: Convert to fraction form
    359,037.49/538,569.91 = 134,374.27/x
  3. Step 3: Cross multiply
    359,037.49x = 538,569.91 × 134,374.27
  4. Step 4: Simplify right side
    359,037.49x = 72,369,937,828.34
  5. Step 5: Solve for x
    x = 72,369,937,828.34/359,037.49
  6. Step 6: Final answer
    x = 201,566.52

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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.