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Finding the Fourth Proportional to 605,646.79, 908,889.75 and 240,871.03

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Solution

The fourth proportional to 605,646.79, 908,889.75 and 240,871.03 is: 361,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,646.79 : 908,889.75 = 240,871.03 : x
  2. Step 2: Convert to fraction form
    605,646.79/908,889.75 = 240,871.03/x
  3. Step 3: Cross multiply
    605,646.79x = 908,889.75 × 240,871.03
  4. Step 4: Simplify right side
    605,646.79x = 218,925,207,966.72
  5. Step 5: Solve for x
    x = 218,925,207,966.72/605,646.79
  6. Step 6: Final answer
    x = 361,473.41

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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.