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Finding the Fourth Proportional to 360,370.41, 497,228.66 and 215,147.93

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Solution

The fourth proportional to 360,370.41, 497,228.66 and 215,147.93 is: 296,854.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,370.41 : 497,228.66 = 215,147.93 : x
  2. Step 2: Convert to fraction form
    360,370.41/497,228.66 = 215,147.93/x
  3. Step 3: Cross multiply
    360,370.41x = 497,228.66 × 215,147.93
  4. Step 4: Simplify right side
    360,370.41x = 106,977,717,473.54
  5. Step 5: Solve for x
    x = 106,977,717,473.54/360,370.41
  6. Step 6: Final answer
    x = 296,854.89

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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.