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Finding the Fourth Proportional to 402,549.39, 603,590.81 and 165,624.39

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Solution

The fourth proportional to 402,549.39, 603,590.81 and 165,624.39 is: 248,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,549.39 : 603,590.81 = 165,624.39 : x
  2. Step 2: Convert to fraction form
    402,549.39/603,590.81 = 165,624.39/x
  3. Step 3: Cross multiply
    402,549.39x = 603,590.81 × 165,624.39
  4. Step 4: Simplify right side
    402,549.39x = 99,969,358,887.73
  5. Step 5: Solve for x
    x = 99,969,358,887.73/402,549.39
  6. Step 6: Final answer
    x = 248,340.60

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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.