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Finding the Fourth Proportional to 453,445.28, 625,808.40 and 259,922.24

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Solution

The fourth proportional to 453,445.28, 625,808.40 and 259,922.24 is: 358,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,445.28 : 625,808.40 = 259,922.24 : x
  2. Step 2: Convert to fraction form
    453,445.28/625,808.40 = 259,922.24/x
  3. Step 3: Cross multiply
    453,445.28x = 625,808.40 × 259,922.24
  4. Step 4: Simplify right side
    453,445.28x = 162,661,521,138.82
  5. Step 5: Solve for x
    x = 162,661,521,138.82/453,445.28
  6. Step 6: Final answer
    x = 358,723.60

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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.