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Finding the Fourth Proportional to 508,893.95, 762,178.28 and 242,841.30

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Solution

The fourth proportional to 508,893.95, 762,178.28 and 242,841.30 is: 363,707.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,893.95 : 762,178.28 = 242,841.30 : x
  2. Step 2: Convert to fraction form
    508,893.95/762,178.28 = 242,841.30/x
  3. Step 3: Cross multiply
    508,893.95x = 762,178.28 × 242,841.30
  4. Step 4: Simplify right side
    508,893.95x = 185,088,363,132.76
  5. Step 5: Solve for x
    x = 185,088,363,132.76/508,893.95
  6. Step 6: Final answer
    x = 363,707.14

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Similar ratio
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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.