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Finding the Fourth Proportional to 360,818.16, 498,338.40 and 245,900.04

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Solution

The fourth proportional to 360,818.16, 498,338.40 and 245,900.04 is: 339,621.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,818.16 : 498,338.40 = 245,900.04 : x
  2. Step 2: Convert to fraction form
    360,818.16/498,338.40 = 245,900.04/x
  3. Step 3: Cross multiply
    360,818.16x = 498,338.40 × 245,900.04
  4. Step 4: Simplify right side
    360,818.16x = 122,541,432,493.54
  5. Step 5: Solve for x
    x = 122,541,432,493.54/360,818.16
  6. Step 6: Final answer
    x = 339,621.02

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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.