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Finding the Fourth Proportional to 719,774.60, 993,952.50 and 482,001.80

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Solution

The fourth proportional to 719,774.60, 993,952.50 and 482,001.80 is: 665,606.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,774.60 : 993,952.50 = 482,001.80 : x
  2. Step 2: Convert to fraction form
    719,774.60/993,952.50 = 482,001.80/x
  3. Step 3: Cross multiply
    719,774.60x = 993,952.50 × 482,001.80
  4. Step 4: Simplify right side
    719,774.60x = 479,086,894,114.50
  5. Step 5: Solve for x
    x = 479,086,894,114.50/719,774.60
  6. Step 6: Final answer
    x = 665,606.84

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1.5x scale

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.