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Finding the Fourth Proportional to 338,318.03, 507,523.69 and 113,695.88

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Solution

The fourth proportional to 338,318.03, 507,523.69 and 113,695.88 is: 170,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,318.03 : 507,523.69 = 113,695.88 : x
  2. Step 2: Convert to fraction form
    338,318.03/507,523.69 = 113,695.88/x
  3. Step 3: Cross multiply
    338,318.03x = 507,523.69 × 113,695.88
  4. Step 4: Simplify right side
    338,318.03x = 57,703,352,555.40
  5. Step 5: Solve for x
    x = 57,703,352,555.40/338,318.03
  6. Step 6: Final answer
    x = 170,559.50

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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.