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Finding the Fourth Proportional to 500,177.84, 690,245.42 and 273,823.34

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Solution

The fourth proportional to 500,177.84, 690,245.42 and 273,823.34 is: 377,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,177.84 : 690,245.42 = 273,823.34 : x
  2. Step 2: Convert to fraction form
    500,177.84/690,245.42 = 273,823.34/x
  3. Step 3: Cross multiply
    500,177.84x = 690,245.42 × 273,823.34
  4. Step 4: Simplify right side
    500,177.84x = 189,005,301,503.76
  5. Step 5: Solve for x
    x = 189,005,301,503.76/500,177.84
  6. Step 6: Final answer
    x = 377,876.20

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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.