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Finding the Fourth Proportional to 353,337.80, 529,812.30 and 153,624.20

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Solution

The fourth proportional to 353,337.80, 529,812.30 and 153,624.20 is: 230,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,337.80 : 529,812.30 = 153,624.20 : x
  2. Step 2: Convert to fraction form
    353,337.80/529,812.30 = 153,624.20/x
  3. Step 3: Cross multiply
    353,337.80x = 529,812.30 × 153,624.20
  4. Step 4: Simplify right side
    353,337.80x = 81,391,990,737.66
  5. Step 5: Solve for x
    x = 81,391,990,737.66/353,337.80
  6. Step 6: Final answer
    x = 230,351.78

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1.5x scale

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.