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Finding the Fourth Proportional to 468,101.70, 702,152.55 and 449,730.90

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Solution

The fourth proportional to 468,101.70, 702,152.55 and 449,730.90 is: 674,596.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,101.70 : 702,152.55 = 449,730.90 : x
  2. Step 2: Convert to fraction form
    468,101.70/702,152.55 = 449,730.90/x
  3. Step 3: Cross multiply
    468,101.70x = 702,152.55 × 449,730.90
  4. Step 4: Simplify right side
    468,101.70x = 315,779,698,248.80
  5. Step 5: Solve for x
    x = 315,779,698,248.80/468,101.70
  6. Step 6: Final answer
    x = 674,596.35

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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.