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Finding the Fourth Proportional to 259,877.42, 358,636.71 and 152,524.88

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Solution

The fourth proportional to 259,877.42, 358,636.71 and 152,524.88 is: 210,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,877.42 : 358,636.71 = 152,524.88 : x
  2. Step 2: Convert to fraction form
    259,877.42/358,636.71 = 152,524.88/x
  3. Step 3: Cross multiply
    259,877.42x = 358,636.71 × 152,524.88
  4. Step 4: Simplify right side
    259,877.42x = 54,701,019,363.16
  5. Step 5: Solve for x
    x = 54,701,019,363.16/259,877.42
  6. Step 6: Final answer
    x = 210,487.78

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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.