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Finding the Fourth Proportional to 522,454.01, 720,994.65 and 293,062.22

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Solution

The fourth proportional to 522,454.01, 720,994.65 and 293,062.22 is: 404,430.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,454.01 : 720,994.65 = 293,062.22 : x
  2. Step 2: Convert to fraction form
    522,454.01/720,994.65 = 293,062.22/x
  3. Step 3: Cross multiply
    522,454.01x = 720,994.65 × 293,062.22
  4. Step 4: Simplify right side
    522,454.01x = 211,296,289,132.15
  5. Step 5: Solve for x
    x = 211,296,289,132.15/522,454.01
  6. Step 6: Final answer
    x = 404,430.41

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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.