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Finding the Fourth Proportional to 675,309.19, 931,014.69 and 433,171.42

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Solution

The fourth proportional to 675,309.19, 931,014.69 and 433,171.42 is: 597,191.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,309.19 : 931,014.69 = 433,171.42 : x
  2. Step 2: Convert to fraction form
    675,309.19/931,014.69 = 433,171.42/x
  3. Step 3: Cross multiply
    675,309.19x = 931,014.69 × 433,171.42
  4. Step 4: Simplify right side
    675,309.19x = 403,288,955,308.16
  5. Step 5: Solve for x
    x = 403,288,955,308.16/675,309.19
  6. Step 6: Final answer
    x = 597,191.57

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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.