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Finding the Fourth Proportional to 616,876.20, 925,314.30 and 476,735.40

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Solution

The fourth proportional to 616,876.20, 925,314.30 and 476,735.40 is: 715,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,876.20 : 925,314.30 = 476,735.40 : x
  2. Step 2: Convert to fraction form
    616,876.20/925,314.30 = 476,735.40/x
  3. Step 3: Cross multiply
    616,876.20x = 925,314.30 × 476,735.40
  4. Step 4: Simplify right side
    616,876.20x = 441,130,082,936.22
  5. Step 5: Solve for x
    x = 441,130,082,936.22/616,876.20
  6. Step 6: Final answer
    x = 715,103.10

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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.