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Finding the Fourth Proportional to 369,637.68, 510,100.36 and 199,871.76

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Solution

The fourth proportional to 369,637.68, 510,100.36 and 199,871.76 is: 275,823.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,637.68 : 510,100.36 = 199,871.76 : x
  2. Step 2: Convert to fraction form
    369,637.68/510,100.36 = 199,871.76/x
  3. Step 3: Cross multiply
    369,637.68x = 510,100.36 × 199,871.76
  4. Step 4: Simplify right side
    369,637.68x = 101,954,656,729.83
  5. Step 5: Solve for x
    x = 101,954,656,729.83/369,637.68
  6. Step 6: Final answer
    x = 275,823.22

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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.