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Finding the Fourth Proportional to 471,886.32, 707,549.52 and 187,423.83

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Solution

The fourth proportional to 471,886.32, 707,549.52 and 187,423.83 is: 281,024.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,886.32 : 707,549.52 = 187,423.83 : x
  2. Step 2: Convert to fraction form
    471,886.32/707,549.52 = 187,423.83/x
  3. Step 3: Cross multiply
    471,886.32x = 707,549.52 × 187,423.83
  4. Step 4: Simplify right side
    471,886.32x = 132,611,640,953.06
  5. Step 5: Solve for x
    x = 132,611,640,953.06/471,886.32
  6. Step 6: Final answer
    x = 281,024.55

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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.