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Finding the Fourth Proportional to 363,963.42, 502,271.51 and 211,092.21

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Solution

The fourth proportional to 363,963.42, 502,271.51 and 211,092.21 is: 291,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,963.42 : 502,271.51 = 211,092.21 : x
  2. Step 2: Convert to fraction form
    363,963.42/502,271.51 = 211,092.21/x
  3. Step 3: Cross multiply
    363,963.42x = 502,271.51 × 211,092.21
  4. Step 4: Simplify right side
    363,963.42x = 106,025,602,010.48
  5. Step 5: Solve for x
    x = 106,025,602,010.48/363,963.42
  6. Step 6: Final answer
    x = 291,308.40

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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.