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Finding the Fourth Proportional to 314,373.65, 433,835.67 and 171,134.75

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Solution

The fourth proportional to 314,373.65, 433,835.67 and 171,134.75 is: 236,165.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,373.65 : 433,835.67 = 171,134.75 : x
  2. Step 2: Convert to fraction form
    314,373.65/433,835.67 = 171,134.75/x
  3. Step 3: Cross multiply
    314,373.65x = 433,835.67 × 171,134.75
  4. Step 4: Simplify right side
    314,373.65x = 74,244,358,926.53
  5. Step 5: Solve for x
    x = 74,244,358,926.53/314,373.65
  6. Step 6: Final answer
    x = 236,165.97

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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.