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Finding the Fourth Proportional to 617,397,283.20, 925,391,470.08 and 248,696,311.20

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Solution

The fourth proportional to 617,397,283.20, 925,391,470.08 and 248,696,311.20 is: 372,760,702.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,397,283.20 : 925,391,470.08 = 248,696,311.20 : x
  2. Step 2: Convert to fraction form
    617,397,283.20/925,391,470.08 = 248,696,311.20/x
  3. Step 3: Cross multiply
    617,397,283.20x = 925,391,470.08 × 248,696,311.20
  4. Step 4: Simplify right side
    617,397,283.20x = 230,141,445,024,841,184
  5. Step 5: Solve for x
    x = 230,141,445,024,841,184/617,397,283.20
  6. Step 6: Final answer
    x = 372,760,702.53

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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.