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Finding the Fourth Proportional to 586,484.16, 879,710.85 and 187,149.30

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Solution

The fourth proportional to 586,484.16, 879,710.85 and 187,149.30 is: 280,719.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,484.16 : 879,710.85 = 187,149.30 : x
  2. Step 2: Convert to fraction form
    586,484.16/879,710.85 = 187,149.30/x
  3. Step 3: Cross multiply
    586,484.16x = 879,710.85 × 187,149.30
  4. Step 4: Simplify right side
    586,484.16x = 164,637,269,779.91
  5. Step 5: Solve for x
    x = 164,637,269,779.91/586,484.16
  6. Step 6: Final answer
    x = 280,719.04

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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.