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Finding the Fourth Proportional to 560,037.87, 840,327.12 and 275,574.15

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Solution

The fourth proportional to 560,037.87, 840,327.12 and 275,574.15 is: 413,494.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,037.87 : 840,327.12 = 275,574.15 : x
  2. Step 2: Convert to fraction form
    560,037.87/840,327.12 = 275,574.15/x
  3. Step 3: Cross multiply
    560,037.87x = 840,327.12 × 275,574.15
  4. Step 4: Simplify right side
    560,037.87x = 231,572,431,815.95
  5. Step 5: Solve for x
    x = 231,572,431,815.95/560,037.87
  6. Step 6: Final answer
    x = 413,494.24

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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.