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Finding the Fourth Proportional to 605,875.30, 908,812.95 and 487,777.30

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Solution

The fourth proportional to 605,875.30, 908,812.95 and 487,777.30 is: 731,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,875.30 : 908,812.95 = 487,777.30 : x
  2. Step 2: Convert to fraction form
    605,875.30/908,812.95 = 487,777.30/x
  3. Step 3: Cross multiply
    605,875.30x = 908,812.95 × 487,777.30
  4. Step 4: Simplify right side
    605,875.30x = 443,298,326,956.04
  5. Step 5: Solve for x
    x = 443,298,326,956.04/605,875.30
  6. Step 6: Final answer
    x = 731,665.95

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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.