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Finding the Fourth Proportional to 338,319.03, 507,525.19 and 113,696.88

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Solution

The fourth proportional to 338,319.03, 507,525.19 and 113,696.88 is: 170,561.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,319.03 : 507,525.19 = 113,696.88 : x
  2. Step 2: Convert to fraction form
    338,319.03/507,525.19 = 113,696.88/x
  3. Step 3: Cross multiply
    338,319.03x = 507,525.19 × 113,696.88
  4. Step 4: Simplify right side
    338,319.03x = 57,704,030,624.41
  5. Step 5: Solve for x
    x = 57,704,030,624.41/338,319.03
  6. Step 6: Final answer
    x = 170,561.00

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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.