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Finding the Fourth Proportional to 440,476.56, 607,753.53 and 259,196.40

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Solution

The fourth proportional to 440,476.56, 607,753.53 and 259,196.40 is: 357,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,476.56 : 607,753.53 = 259,196.40 : x
  2. Step 2: Convert to fraction form
    440,476.56/607,753.53 = 259,196.40/x
  3. Step 3: Cross multiply
    440,476.56x = 607,753.53 × 259,196.40
  4. Step 4: Simplify right side
    440,476.56x = 157,527,527,063.29
  5. Step 5: Solve for x
    x = 157,527,527,063.29/440,476.56
  6. Step 6: Final answer
    x = 357,629.76

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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.