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Finding the Fourth Proportional to 363,445.92, 501,507.90 and 202,307.76

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Solution

The fourth proportional to 363,445.92, 501,507.90 and 202,307.76 is: 279,158.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,445.92 : 501,507.90 = 202,307.76 : x
  2. Step 2: Convert to fraction form
    363,445.92/501,507.90 = 202,307.76/x
  3. Step 3: Cross multiply
    363,445.92x = 501,507.90 × 202,307.76
  4. Step 4: Simplify right side
    363,445.92x = 101,458,939,871.30
  5. Step 5: Solve for x
    x = 101,458,939,871.30/363,445.92
  6. Step 6: Final answer
    x = 279,158.29

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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.