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Finding the Fourth Proportional to 359,693.47, 539,489.04 and 146,554.39

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Solution

The fourth proportional to 359,693.47, 539,489.04 and 146,554.39 is: 219,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,693.47 : 539,489.04 = 146,554.39 : x
  2. Step 2: Convert to fraction form
    359,693.47/539,489.04 = 146,554.39/x
  3. Step 3: Cross multiply
    359,693.47x = 539,489.04 × 146,554.39
  4. Step 4: Simplify right side
    359,693.47x = 79,064,487,168.89
  5. Step 5: Solve for x
    x = 79,064,487,168.89/359,693.47
  6. Step 6: Final answer
    x = 219,810.74

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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.