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Finding the Fourth Proportional to 675,307.68, 931,012.64 and 433,169.92

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Solution

The fourth proportional to 675,307.68, 931,012.64 and 433,169.92 is: 597,189.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,307.68 : 931,012.64 = 433,169.92 : x
  2. Step 2: Convert to fraction form
    675,307.68/931,012.64 = 433,169.92/x
  3. Step 3: Cross multiply
    675,307.68x = 931,012.64 × 433,169.92
  4. Step 4: Simplify right side
    675,307.68x = 403,286,670,787.79
  5. Step 5: Solve for x
    x = 403,286,670,787.79/675,307.68
  6. Step 6: Final answer
    x = 597,189.52

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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.