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Finding the Fourth Proportional to 359,237.46, 538,563.96 and 134,472

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Solution

The fourth proportional to 359,237.46, 538,563.96 and 134,472 is: 201,598.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,237.46 : 538,563.96 = 134,472 : x
  2. Step 2: Convert to fraction form
    359,237.46/538,563.96 = 134,472/x
  3. Step 3: Cross multiply
    359,237.46x = 538,563.96 × 134,472
  4. Step 4: Simplify right side
    359,237.46x = 72,421,772,829.12
  5. Step 5: Solve for x
    x = 72,421,772,829.12/359,237.46
  6. Step 6: Final answer
    x = 201,598.61

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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.