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Finding the Fourth Proportional to 698,778.72, 963,337.68 and 590,915.52

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Solution

The fourth proportional to 698,778.72, 963,337.68 and 590,915.52 is: 814,637.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,778.72 : 963,337.68 = 590,915.52 : x
  2. Step 2: Convert to fraction form
    698,778.72/963,337.68 = 590,915.52/x
  3. Step 3: Cross multiply
    698,778.72x = 963,337.68 × 590,915.52
  4. Step 4: Simplify right side
    698,778.72x = 569,251,186,112.79
  5. Step 5: Solve for x
    x = 569,251,186,112.79/698,778.72
  6. Step 6: Final answer
    x = 814,637.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.