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Finding the Fourth Proportional to 700,337.28, 1,051,056 and 488,596.80

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Solution

The fourth proportional to 700,337.28, 1,051,056 and 488,596.80 is: 733,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,337.28 : 1,051,056 = 488,596.80 : x
  2. Step 2: Convert to fraction form
    700,337.28/1,051,056 = 488,596.80/x
  3. Step 3: Cross multiply
    700,337.28x = 1,051,056 × 488,596.80
  4. Step 4: Simplify right side
    700,337.28x = 513,542,598,220.80
  5. Step 5: Solve for x
    x = 513,542,598,220.80/700,337.28
  6. Step 6: Final answer
    x = 733,278.97

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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.