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Finding the Fourth Proportional to 376,160.58, 519,101.52 and 215,019.08

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Solution

The fourth proportional to 376,160.58, 519,101.52 and 215,019.08 is: 296,726.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,160.58 : 519,101.52 = 215,019.08 : x
  2. Step 2: Convert to fraction form
    376,160.58/519,101.52 = 215,019.08/x
  3. Step 3: Cross multiply
    376,160.58x = 519,101.52 × 215,019.08
  4. Step 4: Simplify right side
    376,160.58x = 111,616,731,257.00
  5. Step 5: Solve for x
    x = 111,616,731,257.00/376,160.58
  6. Step 6: Final answer
    x = 296,726.28

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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.