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Finding the Fourth Proportional to 259,607.69, 358,228.05 and 150,686.90

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Solution

The fourth proportional to 259,607.69, 358,228.05 and 150,686.90 is: 207,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,607.69 : 358,228.05 = 150,686.90 : x
  2. Step 2: Convert to fraction form
    259,607.69/358,228.05 = 150,686.90/x
  3. Step 3: Cross multiply
    259,607.69x = 358,228.05 × 150,686.90
  4. Step 4: Simplify right side
    259,607.69x = 53,980,274,347.55
  5. Step 5: Solve for x
    x = 53,980,274,347.55/259,607.69
  6. Step 6: Final answer
    x = 207,930.18

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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.