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Finding the Fourth Proportional to 590,988, 886,482 and 147,756

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Solution

The fourth proportional to 590,988, 886,482 and 147,756 is: 221,634

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,988 : 886,482 = 147,756 : x
  2. Step 2: Convert to fraction form
    590,988/886,482 = 147,756/x
  3. Step 3: Cross multiply
    590,988x = 886,482 × 147,756
  4. Step 4: Simplify right side
    590,988x = 130,983,034,392
  5. Step 5: Solve for x
    x = 130,983,034,392/590,988
  6. Step 6: Final answer
    x = 221,634

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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.