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Finding the Fourth Proportional to 529,632.90, 794,789.55 and 293,145.30

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Solution

The fourth proportional to 529,632.90, 794,789.55 and 293,145.30 is: 439,906.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,632.90 : 794,789.55 = 293,145.30 : x
  2. Step 2: Convert to fraction form
    529,632.90/794,789.55 = 293,145.30/x
  3. Step 3: Cross multiply
    529,632.90x = 794,789.55 × 293,145.30
  4. Step 4: Simplify right side
    529,632.90x = 232,988,821,071.62
  5. Step 5: Solve for x
    x = 232,988,821,071.62/529,632.90
  6. Step 6: Final answer
    x = 439,906.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.