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Finding the Fourth Proportional to 586,387.88, 879,596.94 and 159,927.20

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Solution

The fourth proportional to 586,387.88, 879,596.94 and 159,927.20 is: 239,894.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,387.88 : 879,596.94 = 159,927.20 : x
  2. Step 2: Convert to fraction form
    586,387.88/879,596.94 = 159,927.20/x
  3. Step 3: Cross multiply
    586,387.88x = 879,596.94 × 159,927.20
  4. Step 4: Simplify right side
    586,387.88x = 140,671,475,742.77
  5. Step 5: Solve for x
    x = 140,671,475,742.77/586,387.88
  6. Step 6: Final answer
    x = 239,894.92

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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.