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Finding the Fourth Proportional to 508,311.52, 762,206.88 and 268,554.12

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Solution

The fourth proportional to 508,311.52, 762,206.88 and 268,554.12 is: 402,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,311.52 : 762,206.88 = 268,554.12 : x
  2. Step 2: Convert to fraction form
    508,311.52/762,206.88 = 268,554.12/x
  3. Step 3: Cross multiply
    508,311.52x = 762,206.88 × 268,554.12
  4. Step 4: Simplify right side
    508,311.52x = 204,693,797,916.35
  5. Step 5: Solve for x
    x = 204,693,797,916.35/508,311.52
  6. Step 6: Final answer
    x = 402,693.60

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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.