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Finding the Fourth Proportional to 359,753.32, 540,242.34 and 344,706.76

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Solution

The fourth proportional to 359,753.32, 540,242.34 and 344,706.76 is: 517,646.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,753.32 : 540,242.34 = 344,706.76 : x
  2. Step 2: Convert to fraction form
    359,753.32/540,242.34 = 344,706.76/x
  3. Step 3: Cross multiply
    359,753.32x = 540,242.34 × 344,706.76
  4. Step 4: Simplify right side
    359,753.32x = 186,225,186,636.22
  5. Step 5: Solve for x
    x = 186,225,186,636.22/359,753.32
  6. Step 6: Final answer
    x = 517,646.89

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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.