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Finding the Fourth Proportional to 522,459.01, 721,001.55 and 293,067.24

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Solution

The fourth proportional to 522,459.01, 721,001.55 and 293,067.24 is: 404,437.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,459.01 : 721,001.55 = 293,067.24 : x
  2. Step 2: Convert to fraction form
    522,459.01/721,001.55 = 293,067.24/x
  3. Step 3: Cross multiply
    522,459.01x = 721,001.55 × 293,067.24
  4. Step 4: Simplify right side
    522,459.01x = 211,301,934,294.22
  5. Step 5: Solve for x
    x = 211,301,934,294.22/522,459.01
  6. Step 6: Final answer
    x = 404,437.34

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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.