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Finding the Fourth Proportional to 856,695.79, 1,182,237 and 474,722.27

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Solution

The fourth proportional to 856,695.79, 1,182,237 and 474,722.27 is: 655,114.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,695.79 : 1,182,237 = 474,722.27 : x
  2. Step 2: Convert to fraction form
    856,695.79/1,182,237 = 474,722.27/x
  3. Step 3: Cross multiply
    856,695.79x = 1,182,237 × 474,722.27
  4. Step 4: Simplify right side
    856,695.79x = 561,234,226,406.81
  5. Step 5: Solve for x
    x = 561,234,226,406.81/856,695.79
  6. Step 6: Final answer
    x = 655,114.96

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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.