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Finding the Fourth Proportional to 285,482,703.80, 427,745,758.80 and 244,349,170.40

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Solution

The fourth proportional to 285,482,703.80, 427,745,758.80 and 244,349,170.40 is: 366,114,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,482,703.80 : 427,745,758.80 = 244,349,170.40 : x
  2. Step 2: Convert to fraction form
    285,482,703.80/427,745,758.80 = 244,349,170.40/x
  3. Step 3: Cross multiply
    285,482,703.80x = 427,745,758.80 × 244,349,170.40
  4. Step 4: Simplify right side
    285,482,703.80x = 104,519,321,304,898,512
  5. Step 5: Solve for x
    x = 104,519,321,304,898,512/285,482,703.80
  6. Step 6: Final answer
    x = 366,114,373.70

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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.