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Finding the Fourth Proportional to 364,101.42, 502,638.26 and 282,248.85

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Solution

The fourth proportional to 364,101.42, 502,638.26 and 282,248.85 is: 389,641.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,101.42 : 502,638.26 = 282,248.85 : x
  2. Step 2: Convert to fraction form
    364,101.42/502,638.26 = 282,248.85/x
  3. Step 3: Cross multiply
    364,101.42x = 502,638.26 × 282,248.85
  4. Step 4: Simplify right side
    364,101.42x = 141,869,070,851.00
  5. Step 5: Solve for x
    x = 141,869,070,851.00/364,101.42
  6. Step 6: Final answer
    x = 389,641.63

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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.