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Finding the Fourth Proportional to 359,772.44, 539,543.84 and 146,539.94

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Solution

The fourth proportional to 359,772.44, 539,543.84 and 146,539.94 is: 219,763.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,772.44 : 539,543.84 = 146,539.94 : x
  2. Step 2: Convert to fraction form
    359,772.44/539,543.84 = 146,539.94/x
  3. Step 3: Cross multiply
    359,772.44x = 539,543.84 × 146,539.94
  4. Step 4: Simplify right side
    359,772.44x = 79,064,718,510.55
  5. Step 5: Solve for x
    x = 79,064,718,510.55/359,772.44
  6. Step 6: Final answer
    x = 219,763.14

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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.