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Finding the Fourth Proportional to 353,559.04, 487,443.36 and 292,906.24

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Solution

The fourth proportional to 353,559.04, 487,443.36 and 292,906.24 is: 403,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,559.04 : 487,443.36 = 292,906.24 : x
  2. Step 2: Convert to fraction form
    353,559.04/487,443.36 = 292,906.24/x
  3. Step 3: Cross multiply
    353,559.04x = 487,443.36 × 292,906.24
  4. Step 4: Simplify right side
    353,559.04x = 142,775,201,790.57
  5. Step 5: Solve for x
    x = 142,775,201,790.57/353,559.04
  6. Step 6: Final answer
    x = 403,822.80

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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.