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Finding the Fourth Proportional to 647,033.01, 892,909.10 and 375,262.06

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Solution

The fourth proportional to 647,033.01, 892,909.10 and 375,262.06 is: 517,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,033.01 : 892,909.10 = 375,262.06 : x
  2. Step 2: Convert to fraction form
    647,033.01/892,909.10 = 375,262.06/x
  3. Step 3: Cross multiply
    647,033.01x = 892,909.10 × 375,262.06
  4. Step 4: Simplify right side
    647,033.01x = 335,074,908,258.75
  5. Step 5: Solve for x
    x = 335,074,908,258.75/647,033.01
  6. Step 6: Final answer
    x = 517,863.70

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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.