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Finding the Fourth Proportional to 359,929.30, 540,003.30 and 202,052.20

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Solution

The fourth proportional to 359,929.30, 540,003.30 and 202,052.20 is: 303,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,929.30 : 540,003.30 = 202,052.20 : x
  2. Step 2: Convert to fraction form
    359,929.30/540,003.30 = 202,052.20/x
  3. Step 3: Cross multiply
    359,929.30x = 540,003.30 × 202,052.20
  4. Step 4: Simplify right side
    359,929.30x = 109,108,854,772.26
  5. Step 5: Solve for x
    x = 109,108,854,772.26/359,929.30
  6. Step 6: Final answer
    x = 303,139.69

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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.