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Finding the Fourth Proportional to 474,762.18, 712,143.27 and 159,218.17

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Solution

The fourth proportional to 474,762.18, 712,143.27 and 159,218.17 is: 238,827.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,762.18 : 712,143.27 = 159,218.17 : x
  2. Step 2: Convert to fraction form
    474,762.18/712,143.27 = 159,218.17/x
  3. Step 3: Cross multiply
    474,762.18x = 712,143.27 × 159,218.17
  4. Step 4: Simplify right side
    474,762.18x = 113,386,148,227.22
  5. Step 5: Solve for x
    x = 113,386,148,227.22/474,762.18
  6. Step 6: Final answer
    x = 238,827.26

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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.