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Finding the Fourth Proportional to 363,393.61, 501,499.70 and 202,258.98

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Solution

The fourth proportional to 363,393.61, 501,499.70 and 202,258.98 is: 279,126.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,393.61 : 501,499.70 = 202,258.98 : x
  2. Step 2: Convert to fraction form
    363,393.61/501,499.70 = 202,258.98/x
  3. Step 3: Cross multiply
    363,393.61x = 501,499.70 × 202,258.98
  4. Step 4: Simplify right side
    363,393.61x = 101,432,817,792.31
  5. Step 5: Solve for x
    x = 101,432,817,792.31/363,393.61
  6. Step 6: Final answer
    x = 279,126.59

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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.