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Finding the Fourth Proportional to 647,207.46, 893,167.29 and 360,788.22

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Solution

The fourth proportional to 647,207.46, 893,167.29 and 360,788.22 is: 497,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,207.46 : 893,167.29 = 360,788.22 : x
  2. Step 2: Convert to fraction form
    647,207.46/893,167.29 = 360,788.22/x
  3. Step 3: Cross multiply
    647,207.46x = 893,167.29 × 360,788.22
  4. Step 4: Simplify right side
    647,207.46x = 322,244,236,721.32
  5. Step 5: Solve for x
    x = 322,244,236,721.32/647,207.46
  6. Step 6: Final answer
    x = 497,899.45

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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.