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Finding the Fourth Proportional to 586,502.91, 879,738.98 and 187,168.05

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Solution

The fourth proportional to 586,502.91, 879,738.98 and 187,168.05 is: 280,747.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,502.91 : 879,738.98 = 187,168.05 : x
  2. Step 2: Convert to fraction form
    586,502.91/879,738.98 = 187,168.05/x
  3. Step 3: Cross multiply
    586,502.91x = 879,738.98 × 187,168.05
  4. Step 4: Simplify right side
    586,502.91x = 164,659,028,459.75
  5. Step 5: Solve for x
    x = 164,659,028,459.75/586,502.91
  6. Step 6: Final answer
    x = 280,747.16

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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.