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Finding the Fourth Proportional to 506,459.59, 702,110.58 and 479,493.88

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Solution

The fourth proportional to 506,459.59, 702,110.58 and 479,493.88 is: 664,727.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,459.59 : 702,110.58 = 479,493.88 : x
  2. Step 2: Convert to fraction form
    506,459.59/702,110.58 = 479,493.88/x
  3. Step 3: Cross multiply
    506,459.59x = 702,110.58 × 479,493.88
  4. Step 4: Simplify right side
    506,459.59x = 336,657,725,337.03
  5. Step 5: Solve for x
    x = 336,657,725,337.03/506,459.59
  6. Step 6: Final answer
    x = 664,727.72

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.