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Finding the Fourth Proportional to 588,900.56, 812,926.92 and 445,700.56

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Solution

The fourth proportional to 588,900.56, 812,926.92 and 445,700.56 is: 615,251.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,900.56 : 812,926.92 = 445,700.56 : x
  2. Step 2: Convert to fraction form
    588,900.56/812,926.92 = 445,700.56/x
  3. Step 3: Cross multiply
    588,900.56x = 812,926.92 × 445,700.56
  4. Step 4: Simplify right side
    588,900.56x = 362,321,983,483.08
  5. Step 5: Solve for x
    x = 362,321,983,483.08/588,900.56
  6. Step 6: Final answer
    x = 615,251.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.