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Finding the Fourth Proportional to 440,372.97, 607,715.87 and 259,091.73

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Solution

The fourth proportional to 440,372.97, 607,715.87 and 259,091.73 is: 357,547.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,372.97 : 607,715.87 = 259,091.73 : x
  2. Step 2: Convert to fraction form
    440,372.97/607,715.87 = 259,091.73/x
  3. Step 3: Cross multiply
    440,372.97x = 607,715.87 × 259,091.73
  4. Step 4: Simplify right side
    440,372.97x = 157,454,154,811.30
  5. Step 5: Solve for x
    x = 157,454,154,811.30/440,372.97
  6. Step 6: Final answer
    x = 357,547.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.