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Finding the Fourth Proportional to 612,886.02, 919,329.03 and 192,194.70

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Solution

The fourth proportional to 612,886.02, 919,329.03 and 192,194.70 is: 288,292.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,886.02 : 919,329.03 = 192,194.70 : x
  2. Step 2: Convert to fraction form
    612,886.02/919,329.03 = 192,194.70/x
  3. Step 3: Cross multiply
    612,886.02x = 919,329.03 × 192,194.70
  4. Step 4: Simplify right side
    612,886.02x = 176,690,167,122.14
  5. Step 5: Solve for x
    x = 176,690,167,122.14/612,886.02
  6. Step 6: Final answer
    x = 288,292.05

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Similar ratio
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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.