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Finding the Fourth Proportional to 215,377.66, 297,141.44 and 215,045.52

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Solution

The fourth proportional to 215,377.66, 297,141.44 and 215,045.52 is: 296,683.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,377.66 : 297,141.44 = 215,045.52 : x
  2. Step 2: Convert to fraction form
    215,377.66/297,141.44 = 215,045.52/x
  3. Step 3: Cross multiply
    215,377.66x = 297,141.44 × 215,045.52
  4. Step 4: Simplify right side
    215,377.66x = 63,898,935,478.35
  5. Step 5: Solve for x
    x = 63,898,935,478.35/215,377.66
  6. Step 6: Final answer
    x = 296,683.21

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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.