Home / 374,286.53-516,526.11-208,718.33

Finding the Fourth Proportional to 374,286.53, 516,526.11 and 208,718.33

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Solution

The fourth proportional to 374,286.53, 516,526.11 and 208,718.33 is: 288,037.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,286.53 : 516,526.11 = 208,718.33 : x
  2. Step 2: Convert to fraction form
    374,286.53/516,526.11 = 208,718.33/x
  3. Step 3: Cross multiply
    374,286.53x = 516,526.11 × 208,718.33
  4. Step 4: Simplify right side
    374,286.53x = 107,808,464,497.97
  5. Step 5: Solve for x
    x = 107,808,464,497.97/374,286.53
  6. Step 6: Final answer
    x = 288,037.26

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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.