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Finding the Fourth Proportional to 364,726.32, 547,083.80 and 187,130.84

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Solution

The fourth proportional to 364,726.32, 547,083.80 and 187,130.84 is: 280,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,726.32 : 547,083.80 = 187,130.84 : x
  2. Step 2: Convert to fraction form
    364,726.32/547,083.80 = 187,130.84/x
  3. Step 3: Cross multiply
    364,726.32x = 547,083.80 × 187,130.84
  4. Step 4: Simplify right side
    364,726.32x = 102,376,251,044.39
  5. Step 5: Solve for x
    x = 102,376,251,044.39/364,726.32
  6. Step 6: Final answer
    x = 280,693.35

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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.