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Finding the Fourth Proportional to 627,992.32, 941,988.72 and 154,686.88

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Solution

The fourth proportional to 627,992.32, 941,988.72 and 154,686.88 is: 232,030.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,992.32 : 941,988.72 = 154,686.88 : x
  2. Step 2: Convert to fraction form
    627,992.32/941,988.72 = 154,686.88/x
  3. Step 3: Cross multiply
    627,992.32x = 941,988.72 × 154,686.88
  4. Step 4: Simplify right side
    627,992.32x = 145,713,296,091.99
  5. Step 5: Solve for x
    x = 145,713,296,091.99/627,992.32
  6. Step 6: Final answer
    x = 232,030.38

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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.