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Finding the Fourth Proportional to 865,726.68, 1,298,590.01 and 234,640.49

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Solution

The fourth proportional to 865,726.68, 1,298,590.01 and 234,640.49 is: 351,960.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,726.68 : 1,298,590.01 = 234,640.49 : x
  2. Step 2: Convert to fraction form
    865,726.68/1,298,590.01 = 234,640.49/x
  3. Step 3: Cross multiply
    865,726.68x = 1,298,590.01 × 234,640.49
  4. Step 4: Simplify right side
    865,726.68x = 304,701,788,589.35
  5. Step 5: Solve for x
    x = 304,701,788,589.35/865,726.68
  6. Step 6: Final answer
    x = 351,960.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.