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Finding the Fourth Proportional to 568,098.59, 784,260.15 and 353,307.86

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Solution

The fourth proportional to 568,098.59, 784,260.15 and 353,307.86 is: 487,741.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,098.59 : 784,260.15 = 353,307.86 : x
  2. Step 2: Convert to fraction form
    568,098.59/784,260.15 = 353,307.86/x
  3. Step 3: Cross multiply
    568,098.59x = 784,260.15 × 353,307.86
  4. Step 4: Simplify right side
    568,098.59x = 277,085,271,358.48
  5. Step 5: Solve for x
    x = 277,085,271,358.48/568,098.59
  6. Step 6: Final answer
    x = 487,741.53

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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.