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Finding the Fourth Proportional to 609,828.66, 914,888.34 and 210,472.92

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Solution

The fourth proportional to 609,828.66, 914,888.34 and 210,472.92 is: 315,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,828.66 : 914,888.34 = 210,472.92 : x
  2. Step 2: Convert to fraction form
    609,828.66/914,888.34 = 210,472.92/x
  3. Step 3: Cross multiply
    609,828.66x = 914,888.34 × 210,472.92
  4. Step 4: Simplify right side
    609,828.66x = 192,559,220,393.75
  5. Step 5: Solve for x
    x = 192,559,220,393.75/609,828.66
  6. Step 6: Final answer
    x = 315,759.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.