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Finding the Fourth Proportional to 314,318.06, 433,760.72 and 171,077.76

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Solution

The fourth proportional to 314,318.06, 433,760.72 and 171,077.76 is: 236,088.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,318.06 : 433,760.72 = 171,077.76 : x
  2. Step 2: Convert to fraction form
    314,318.06/433,760.72 = 171,077.76/x
  3. Step 3: Cross multiply
    314,318.06x = 433,760.72 × 171,077.76
  4. Step 4: Simplify right side
    314,318.06x = 74,206,811,498.20
  5. Step 5: Solve for x
    x = 74,206,811,498.20/314,318.06
  6. Step 6: Final answer
    x = 236,088.29

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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.