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Finding the Fourth Proportional to 468,616.70, 702,925.05 and 450,245.90

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Solution

The fourth proportional to 468,616.70, 702,925.05 and 450,245.90 is: 675,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,616.70 : 702,925.05 = 450,245.90 : x
  2. Step 2: Convert to fraction form
    468,616.70/702,925.05 = 450,245.90/x
  3. Step 3: Cross multiply
    468,616.70x = 702,925.05 × 450,245.90
  4. Step 4: Simplify right side
    468,616.70x = 316,489,121,769.80
  5. Step 5: Solve for x
    x = 316,489,121,769.80/468,616.70
  6. Step 6: Final answer
    x = 675,368.85

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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.