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Finding the Fourth Proportional to 471,356.33, 707,041.08 and 134,397.11

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Solution

The fourth proportional to 471,356.33, 707,041.08 and 134,397.11 is: 201,597.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,356.33 : 707,041.08 = 134,397.11 : x
  2. Step 2: Convert to fraction form
    471,356.33/707,041.08 = 134,397.11/x
  3. Step 3: Cross multiply
    471,356.33x = 707,041.08 × 134,397.11
  4. Step 4: Simplify right side
    471,356.33x = 95,024,277,803.28
  5. Step 5: Solve for x
    x = 95,024,277,803.28/471,356.33
  6. Step 6: Final answer
    x = 201,597.54

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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.