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Finding the Fourth Proportional to 500,199.56, 690,248.98 and 273,801.16

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Solution

The fourth proportional to 500,199.56, 690,248.98 and 273,801.16 is: 377,831.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,199.56 : 690,248.98 = 273,801.16 : x
  2. Step 2: Convert to fraction form
    500,199.56/690,248.98 = 273,801.16/x
  3. Step 3: Cross multiply
    500,199.56x = 690,248.98 × 273,801.16
  4. Step 4: Simplify right side
    500,199.56x = 188,990,971,412.82
  5. Step 5: Solve for x
    x = 188,990,971,412.82/500,199.56
  6. Step 6: Final answer
    x = 377,831.14

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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.