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Finding the Fourth Proportional to 372,560.68, 558,866.94 and 123,417.64

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Solution

The fourth proportional to 372,560.68, 558,866.94 and 123,417.64 is: 185,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,560.68 : 558,866.94 = 123,417.64 : x
  2. Step 2: Convert to fraction form
    372,560.68/558,866.94 = 123,417.64/x
  3. Step 3: Cross multiply
    372,560.68x = 558,866.94 × 123,417.64
  4. Step 4: Simplify right side
    372,560.68x = 68,974,038,808.82
  5. Step 5: Solve for x
    x = 68,974,038,808.82/372,560.68
  6. Step 6: Final answer
    x = 185,135.05

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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.