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Finding the Fourth Proportional to 259,497.54, 358,045.49 and 157,520.48

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Solution

The fourth proportional to 259,497.54, 358,045.49 and 157,520.48 is: 217,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,497.54 : 358,045.49 = 157,520.48 : x
  2. Step 2: Convert to fraction form
    259,497.54/358,045.49 = 157,520.48/x
  3. Step 3: Cross multiply
    259,497.54x = 358,045.49 × 157,520.48
  4. Step 4: Simplify right side
    259,497.54x = 56,399,494,868.81
  5. Step 5: Solve for x
    x = 56,399,494,868.81/259,497.54
  6. Step 6: Final answer
    x = 217,341.15

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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.