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Finding the Fourth Proportional to 407,966.60, 611,326.20 and 274,352.24

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Solution

The fourth proportional to 407,966.60, 611,326.20 and 274,352.24 is: 411,108.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,966.60 : 611,326.20 = 274,352.24 : x
  2. Step 2: Convert to fraction form
    407,966.60/611,326.20 = 274,352.24/x
  3. Step 3: Cross multiply
    407,966.60x = 611,326.20 × 274,352.24
  4. Step 4: Simplify right side
    407,966.60x = 167,718,712,340.69
  5. Step 5: Solve for x
    x = 167,718,712,340.69/407,966.60
  6. Step 6: Final answer
    x = 411,108.93

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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.