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Finding the Fourth Proportional to 259,552.56, 358,207.68 and 157,554.56

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Solution

The fourth proportional to 259,552.56, 358,207.68 and 157,554.56 is: 217,440.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,552.56 : 358,207.68 = 157,554.56 : x
  2. Step 2: Convert to fraction form
    259,552.56/358,207.68 = 157,554.56/x
  3. Step 3: Cross multiply
    259,552.56x = 358,207.68 × 157,554.56
  4. Step 4: Simplify right side
    259,552.56x = 56,437,253,411.02
  5. Step 5: Solve for x
    x = 56,437,253,411.02/259,552.56
  6. Step 6: Final answer
    x = 217,440.56

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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.