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Finding the Fourth Proportional to 364,151.74, 502,531.55 and 211,280.96

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Solution

The fourth proportional to 364,151.74, 502,531.55 and 211,280.96 is: 291,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,151.74 : 502,531.55 = 211,280.96 : x
  2. Step 2: Convert to fraction form
    364,151.74/502,531.55 = 211,280.96/x
  3. Step 3: Cross multiply
    364,151.74x = 502,531.55 × 211,280.96
  4. Step 4: Simplify right side
    364,151.74x = 106,175,348,610.48
  5. Step 5: Solve for x
    x = 106,175,348,610.48/364,151.74
  6. Step 6: Final answer
    x = 291,568.97

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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.