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Finding the Fourth Proportional to 522,458.01, 721,000.17 and 293,066.24

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Solution

The fourth proportional to 522,458.01, 721,000.17 and 293,066.24 is: 404,435.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,458.01 : 721,000.17 = 293,066.24 : x
  2. Step 2: Convert to fraction form
    522,458.01/721,000.17 = 293,066.24/x
  3. Step 3: Cross multiply
    522,458.01x = 721,000.17 × 293,066.24
  4. Step 4: Simplify right side
    522,458.01x = 211,300,805,256.26
  5. Step 5: Solve for x
    x = 211,300,805,256.26/522,458.01
  6. Step 6: Final answer
    x = 404,435.96

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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.