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Finding the Fourth Proportional to 514,524.80, 771,326.40 and 337,116.80

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Solution

The fourth proportional to 514,524.80, 771,326.40 and 337,116.80 is: 505,373.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,524.80 : 771,326.40 = 337,116.80 : x
  2. Step 2: Convert to fraction form
    514,524.80/771,326.40 = 337,116.80/x
  3. Step 3: Cross multiply
    514,524.80x = 771,326.40 × 337,116.80
  4. Step 4: Simplify right side
    514,524.80x = 260,027,087,723.52
  5. Step 5: Solve for x
    x = 260,027,087,723.52/514,524.80
  6. Step 6: Final answer
    x = 505,373.28

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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.