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Finding the Fourth Proportional to 365,005.32, 503,702.09 and 203,862.71

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Solution

The fourth proportional to 365,005.32, 503,702.09 and 203,862.71 is: 281,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,005.32 : 503,702.09 = 203,862.71 : x
  2. Step 2: Convert to fraction form
    365,005.32/503,702.09 = 203,862.71/x
  3. Step 3: Cross multiply
    365,005.32x = 503,702.09 × 203,862.71
  4. Step 4: Simplify right side
    365,005.32x = 102,686,069,562.24
  5. Step 5: Solve for x
    x = 102,686,069,562.24/365,005.32
  6. Step 6: Final answer
    x = 281,327.60

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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.