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Finding the Fourth Proportional to 504,013.10, 755,144.85 and 472,520.30

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Solution

The fourth proportional to 504,013.10, 755,144.85 and 472,520.30 is: 707,960.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,013.10 : 755,144.85 = 472,520.30 : x
  2. Step 2: Convert to fraction form
    504,013.10/755,144.85 = 472,520.30/x
  3. Step 3: Cross multiply
    504,013.10x = 755,144.85 × 472,520.30
  4. Step 4: Simplify right side
    504,013.10x = 356,821,271,065.46
  5. Step 5: Solve for x
    x = 356,821,271,065.46/504,013.10
  6. Step 6: Final answer
    x = 707,960.31

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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.