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Finding the Fourth Proportional to 522,482.38, 721,033.92 and 293,090.66

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Solution

The fourth proportional to 522,482.38, 721,033.92 and 293,090.66 is: 404,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,482.38 : 721,033.92 = 293,090.66 : x
  2. Step 2: Convert to fraction form
    522,482.38/721,033.92 = 293,090.66/x
  3. Step 3: Cross multiply
    522,482.38x = 721,033.92 × 293,090.66
  4. Step 4: Simplify right side
    522,482.38x = 211,328,307,495.19
  5. Step 5: Solve for x
    x = 211,328,307,495.19/522,482.38
  6. Step 6: Final answer
    x = 404,469.73

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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.