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Finding the Fourth Proportional to 440,956.88, 608,502.87 and 259,676.45

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Solution

The fourth proportional to 440,956.88, 608,502.87 and 259,676.45 is: 358,343.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,956.88 : 608,502.87 = 259,676.45 : x
  2. Step 2: Convert to fraction form
    440,956.88/608,502.87 = 259,676.45/x
  3. Step 3: Cross multiply
    440,956.88x = 608,502.87 × 259,676.45
  4. Step 4: Simplify right side
    440,956.88x = 158,013,862,053.90
  5. Step 5: Solve for x
    x = 158,013,862,053.90/440,956.88
  6. Step 6: Final answer
    x = 358,343.12

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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.