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Finding the Fourth Proportional to 326,818.17, 490,117.02 and 124,366.22

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Solution

The fourth proportional to 326,818.17, 490,117.02 and 124,366.22 is: 186,507.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,818.17 : 490,117.02 = 124,366.22 : x
  2. Step 2: Convert to fraction form
    326,818.17/490,117.02 = 124,366.22/x
  3. Step 3: Cross multiply
    326,818.17x = 490,117.02 × 124,366.22
  4. Step 4: Simplify right side
    326,818.17x = 60,954,001,135.06
  5. Step 5: Solve for x
    x = 60,954,001,135.06/326,818.17
  6. Step 6: Final answer
    x = 186,507.38

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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.