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Finding the Fourth Proportional to 730,630.80, 1,095,427.80 and 331,462.80

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Solution

The fourth proportional to 730,630.80, 1,095,427.80 and 331,462.80 is: 496,959.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,630.80 : 1,095,427.80 = 331,462.80 : x
  2. Step 2: Convert to fraction form
    730,630.80/1,095,427.80 = 331,462.80/x
  3. Step 3: Cross multiply
    730,630.80x = 1,095,427.80 × 331,462.80
  4. Step 4: Simplify right side
    730,630.80x = 363,093,565,785.84
  5. Step 5: Solve for x
    x = 363,093,565,785.84/730,630.80
  6. Step 6: Final answer
    x = 496,959.02

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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.