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Finding the Fourth Proportional to 259,900.92, 358,666.28 and 152,472.80

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Solution

The fourth proportional to 259,900.92, 358,666.28 and 152,472.80 is: 210,414.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,900.92 : 358,666.28 = 152,472.80 : x
  2. Step 2: Convert to fraction form
    259,900.92/358,666.28 = 152,472.80/x
  3. Step 3: Cross multiply
    259,900.92x = 358,666.28 × 152,472.80
  4. Step 4: Simplify right side
    259,900.92x = 54,686,851,977.18
  5. Step 5: Solve for x
    x = 54,686,851,977.18/259,900.92
  6. Step 6: Final answer
    x = 210,414.23

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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.