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Finding the Fourth Proportional to 496,527.84, 685,205.28 and 270,174.24

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Solution

The fourth proportional to 496,527.84, 685,205.28 and 270,174.24 is: 372,838.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,527.84 : 685,205.28 = 270,174.24 : x
  2. Step 2: Convert to fraction form
    496,527.84/685,205.28 = 270,174.24/x
  3. Step 3: Cross multiply
    496,527.84x = 685,205.28 × 270,174.24
  4. Step 4: Simplify right side
    496,527.84x = 185,124,815,767.99
  5. Step 5: Solve for x
    x = 185,124,815,767.99/496,527.84
  6. Step 6: Final answer
    x = 372,838.74

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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.