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Finding the Fourth Proportional to 616,500, 924,936.48 and 436,932.72

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Solution

The fourth proportional to 616,500, 924,936.48 and 436,932.72 is: 655,531.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,500 : 924,936.48 = 436,932.72 : x
  2. Step 2: Convert to fraction form
    616,500/924,936.48 = 436,932.72/x
  3. Step 3: Cross multiply
    616,500x = 924,936.48 × 436,932.72
  4. Step 4: Simplify right side
    616,500x = 404,135,012,033.63
  5. Step 5: Solve for x
    x = 404,135,012,033.63/616,500
  6. Step 6: Final answer
    x = 655,531.24

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1.5x scale

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.