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Finding the Fourth Proportional to 363,355.40, 501,423.45 and 202,210.22

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Solution

The fourth proportional to 363,355.40, 501,423.45 and 202,210.22 is: 279,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,355.40 : 501,423.45 = 202,210.22 : x
  2. Step 2: Convert to fraction form
    363,355.40/501,423.45 = 202,210.22/x
  3. Step 3: Cross multiply
    363,355.40x = 501,423.45 × 202,210.22
  4. Step 4: Simplify right side
    363,355.40x = 101,392,943,630.54
  5. Step 5: Solve for x
    x = 101,392,943,630.54/363,355.40
  6. Step 6: Final answer
    x = 279,046.20

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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.