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Finding the Fourth Proportional to 313,931.41, 433,213.41 and 170,691.57

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Solution

The fourth proportional to 313,931.41, 433,213.41 and 170,691.57 is: 235,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,931.41 : 433,213.41 = 170,691.57 : x
  2. Step 2: Convert to fraction form
    313,931.41/433,213.41 = 170,691.57/x
  3. Step 3: Cross multiply
    313,931.41x = 433,213.41 × 170,691.57
  4. Step 4: Simplify right side
    313,931.41x = 73,945,877,097.95
  5. Step 5: Solve for x
    x = 73,945,877,097.95/313,931.41
  6. Step 6: Final answer
    x = 235,547.88

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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.