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Finding the Fourth Proportional to 453,173.73, 625,410.32 and 299,947.92

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Solution

The fourth proportional to 453,173.73, 625,410.32 and 299,947.92 is: 413,948.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,173.73 : 625,410.32 = 299,947.92 : x
  2. Step 2: Convert to fraction form
    453,173.73/625,410.32 = 299,947.92/x
  3. Step 3: Cross multiply
    453,173.73x = 625,410.32 × 299,947.92
  4. Step 4: Simplify right side
    453,173.73x = 187,590,523,130.80
  5. Step 5: Solve for x
    x = 187,590,523,130.80/453,173.73
  6. Step 6: Final answer
    x = 413,948.36

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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.