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Finding the Fourth Proportional to 586,539.65, 879,824.74 and 187,179.89

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Solution

The fourth proportional to 586,539.65, 879,824.74 and 187,179.89 is: 280,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,539.65 : 879,824.74 = 187,179.89 : x
  2. Step 2: Convert to fraction form
    586,539.65/879,824.74 = 187,179.89/x
  3. Step 3: Cross multiply
    586,539.65x = 879,824.74 × 187,179.89
  4. Step 4: Simplify right side
    586,539.65x = 164,685,493,185.41
  5. Step 5: Solve for x
    x = 164,685,493,185.41/586,539.65
  6. Step 6: Final answer
    x = 280,774.70

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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.