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Finding the Fourth Proportional to 535,290.25, 738,700.55 and 296,826.25

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Solution

The fourth proportional to 535,290.25, 738,700.55 and 296,826.25 is: 409,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,290.25 : 738,700.55 = 296,826.25 : x
  2. Step 2: Convert to fraction form
    535,290.25/738,700.55 = 296,826.25/x
  3. Step 3: Cross multiply
    535,290.25x = 738,700.55 × 296,826.25
  4. Step 4: Simplify right side
    535,290.25x = 219,265,714,129.44
  5. Step 5: Solve for x
    x = 219,265,714,129.44/535,290.25
  6. Step 6: Final answer
    x = 409,620.23

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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.