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Finding the Fourth Proportional to 338,355.80, 466,898.46 and 202,362.20

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Solution

The fourth proportional to 338,355.80, 466,898.46 and 202,362.20 is: 279,240.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,355.80 : 466,898.46 = 202,362.20 : x
  2. Step 2: Convert to fraction form
    338,355.80/466,898.46 = 202,362.20/x
  3. Step 3: Cross multiply
    338,355.80x = 466,898.46 × 202,362.20
  4. Step 4: Simplify right side
    338,355.80x = 94,482,599,542.21
  5. Step 5: Solve for x
    x = 94,482,599,542.21/338,355.80
  6. Step 6: Final answer
    x = 279,240.37

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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.