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Finding the Fourth Proportional to 675,068.62, 931,155.78 and 432,967.72

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Solution

The fourth proportional to 675,068.62, 931,155.78 and 432,967.72 is: 597,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,068.62 : 931,155.78 = 432,967.72 : x
  2. Step 2: Convert to fraction form
    675,068.62/931,155.78 = 432,967.72/x
  3. Step 3: Cross multiply
    675,068.62x = 931,155.78 × 432,967.72
  4. Step 4: Simplify right side
    675,068.62x = 403,160,395,031.42
  5. Step 5: Solve for x
    x = 403,160,395,031.42/675,068.62
  6. Step 6: Final answer
    x = 597,213.95

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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.