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Finding the Fourth Proportional to 443,335.25, 611,806.53 and 252,360.92

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Solution

The fourth proportional to 443,335.25, 611,806.53 and 252,360.92 is: 348,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,335.25 : 611,806.53 = 252,360.92 : x
  2. Step 2: Convert to fraction form
    443,335.25/611,806.53 = 252,360.92/x
  3. Step 3: Cross multiply
    443,335.25x = 611,806.53 × 252,360.92
  4. Step 4: Simplify right side
    443,335.25x = 154,396,058,772.81
  5. Step 5: Solve for x
    x = 154,396,058,772.81/443,335.25
  6. Step 6: Final answer
    x = 348,260.28

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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.