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Finding the Fourth Proportional to 338,527.68, 507,816.96 and 113,888.64

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Solution

The fourth proportional to 338,527.68, 507,816.96 and 113,888.64 is: 170,841.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,527.68 : 507,816.96 = 113,888.64 : x
  2. Step 2: Convert to fraction form
    338,527.68/507,816.96 = 113,888.64/x
  3. Step 3: Cross multiply
    338,527.68x = 507,816.96 × 113,888.64
  4. Step 4: Simplify right side
    338,527.68x = 57,834,582,943.33
  5. Step 5: Solve for x
    x = 57,834,582,943.33/338,527.68
  6. Step 6: Final answer
    x = 170,841.52

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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.