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Finding the Fourth Proportional to 540,897.57, 811,337.18 and 161,819.19

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Solution

The fourth proportional to 540,897.57, 811,337.18 and 161,819.19 is: 242,726.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,897.57 : 811,337.18 = 161,819.19 : x
  2. Step 2: Convert to fraction form
    540,897.57/811,337.18 = 161,819.19/x
  3. Step 3: Cross multiply
    540,897.57x = 811,337.18 × 161,819.19
  4. Step 4: Simplify right side
    540,897.57x = 131,289,924,475.39
  5. Step 5: Solve for x
    x = 131,289,924,475.39/540,897.57
  6. Step 6: Final answer
    x = 242,726.04

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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.