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Finding the Fourth Proportional to 586,886.76, 879,999.66 and 187,433.64

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Solution

The fourth proportional to 586,886.76, 879,999.66 and 187,433.64 is: 281,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,886.76 : 879,999.66 = 187,433.64 : x
  2. Step 2: Convert to fraction form
    586,886.76/879,999.66 = 187,433.64/x
  3. Step 3: Cross multiply
    586,886.76x = 879,999.66 × 187,433.64
  4. Step 4: Simplify right side
    586,886.76x = 164,941,539,472.56
  5. Step 5: Solve for x
    x = 164,941,539,472.56/586,886.76
  6. Step 6: Final answer
    x = 281,044.91

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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.