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Finding the Fourth Proportional to 314,277.88, 433,695.15 and 171,034.85

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Solution

The fourth proportional to 314,277.88, 433,695.15 and 171,034.85 is: 236,023.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,277.88 : 433,695.15 = 171,034.85 : x
  2. Step 2: Convert to fraction form
    314,277.88/433,695.15 = 171,034.85/x
  3. Step 3: Cross multiply
    314,277.88x = 433,695.15 × 171,034.85
  4. Step 4: Simplify right side
    314,277.88x = 74,176,984,925.98
  5. Step 5: Solve for x
    x = 74,176,984,925.98/314,277.88
  6. Step 6: Final answer
    x = 236,023.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.