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Finding the Fourth Proportional to 488,302.63, 731,568.17 and 360,535.32

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Solution

The fourth proportional to 488,302.63, 731,568.17 and 360,535.32 is: 540,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,302.63 : 731,568.17 = 360,535.32 : x
  2. Step 2: Convert to fraction form
    488,302.63/731,568.17 = 360,535.32/x
  3. Step 3: Cross multiply
    488,302.63x = 731,568.17 × 360,535.32
  4. Step 4: Simplify right side
    488,302.63x = 263,756,165,174.10
  5. Step 5: Solve for x
    x = 263,756,165,174.10/488,302.63
  6. Step 6: Final answer
    x = 540,148.98

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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.