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Finding the Fourth Proportional to 520,114.60, 779,634.30 and 282,956.20

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Solution

The fourth proportional to 520,114.60, 779,634.30 and 282,956.20 is: 424,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,114.60 : 779,634.30 = 282,956.20 : x
  2. Step 2: Convert to fraction form
    520,114.60/779,634.30 = 282,956.20/x
  3. Step 3: Cross multiply
    520,114.60x = 779,634.30 × 282,956.20
  4. Step 4: Simplify right side
    520,114.60x = 220,602,358,917.66
  5. Step 5: Solve for x
    x = 220,602,358,917.66/520,114.60
  6. Step 6: Final answer
    x = 424,141.83

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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.