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Finding the Fourth Proportional to 586,124.43, 879,177.04 and 186,759.78

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Solution

The fourth proportional to 586,124.43, 879,177.04 and 186,759.78 is: 280,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,124.43 : 879,177.04 = 186,759.78 : x
  2. Step 2: Convert to fraction form
    586,124.43/879,177.04 = 186,759.78/x
  3. Step 3: Cross multiply
    586,124.43x = 879,177.04 × 186,759.78
  4. Step 4: Simplify right side
    586,124.43x = 164,194,906,807.64
  5. Step 5: Solve for x
    x = 164,194,906,807.64/586,124.43
  6. Step 6: Final answer
    x = 280,136.60

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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.