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Finding the Fourth Proportional to 675,311.68, 931,018.16 and 433,173.92

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Solution

The fourth proportional to 675,311.68, 931,018.16 and 433,173.92 is: 597,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,311.68 : 931,018.16 = 433,173.92 : x
  2. Step 2: Convert to fraction form
    675,311.68/931,018.16 = 433,173.92/x
  3. Step 3: Cross multiply
    675,311.68x = 931,018.16 × 433,173.92
  4. Step 4: Simplify right side
    675,311.68x = 403,292,785,958.39
  5. Step 5: Solve for x
    x = 403,292,785,958.39/675,311.68
  6. Step 6: Final answer
    x = 597,195.04

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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.