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Finding the Fourth Proportional to 675,067.62, 931,154.40 and 432,966.72

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Solution

The fourth proportional to 675,067.62, 931,154.40 and 432,966.72 is: 597,212.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,067.62 : 931,154.40 = 432,966.72 : x
  2. Step 2: Convert to fraction form
    675,067.62/931,154.40 = 432,966.72/x
  3. Step 3: Cross multiply
    675,067.62x = 931,154.40 × 432,966.72
  4. Step 4: Simplify right side
    675,067.62x = 403,158,866,381.57
  5. Step 5: Solve for x
    x = 403,158,866,381.57/675,067.62
  6. Step 6: Final answer
    x = 597,212.57

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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.