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Finding the Fourth Proportional to 363,472.90, 501,607.38 and 202,317.70

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Solution

The fourth proportional to 363,472.90, 501,607.38 and 202,317.70 is: 279,206.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,472.90 : 501,607.38 = 202,317.70 : x
  2. Step 2: Convert to fraction form
    363,472.90/501,607.38 = 202,317.70/x
  3. Step 3: Cross multiply
    363,472.90x = 501,607.38 × 202,317.70
  4. Step 4: Simplify right side
    363,472.90x = 101,484,051,424.63
  5. Step 5: Solve for x
    x = 101,484,051,424.63/363,472.90
  6. Step 6: Final answer
    x = 279,206.65

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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.