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Finding the Fourth Proportional to 338,182.70, 507,154.39 and 98,246.68

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Solution

The fourth proportional to 338,182.70, 507,154.39 and 98,246.68 is: 147,335.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,182.70 : 507,154.39 = 98,246.68 : x
  2. Step 2: Convert to fraction form
    338,182.70/507,154.39 = 98,246.68/x
  3. Step 3: Cross multiply
    338,182.70x = 507,154.39 × 98,246.68
  4. Step 4: Simplify right side
    338,182.70x = 49,826,235,064.93
  5. Step 5: Solve for x
    x = 49,826,235,064.93/338,182.70
  6. Step 6: Final answer
    x = 147,335.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.