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Finding the Fourth Proportional to 675,310.68, 931,016.78 and 433,172.92

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Solution

The fourth proportional to 675,310.68, 931,016.78 and 433,172.92 is: 597,193.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,310.68 : 931,016.78 = 433,172.92 : x
  2. Step 2: Convert to fraction form
    675,310.68/931,016.78 = 433,172.92/x
  3. Step 3: Cross multiply
    675,310.68x = 931,016.78 × 433,172.92
  4. Step 4: Simplify right side
    675,310.68x = 403,291,257,161.60
  5. Step 5: Solve for x
    x = 403,291,257,161.60/675,310.68
  6. Step 6: Final answer
    x = 597,193.66

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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.