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Finding the Fourth Proportional to 356,603,220.30, 498,224,141.70 and 356,603,220.30

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Solution

The fourth proportional to 356,603,220.30, 498,224,141.70 and 356,603,220.30 is: 498,224,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,603,220.30 : 498,224,141.70 = 356,603,220.30 : x
  2. Step 2: Convert to fraction form
    356,603,220.30/498,224,141.70 = 356,603,220.30/x
  3. Step 3: Cross multiply
    356,603,220.30x = 498,224,141.70 × 356,603,220.30
  4. Step 4: Simplify right side
    356,603,220.30x = 177,668,333,361,423,520
  5. Step 5: Solve for x
    x = 177,668,333,361,423,520/356,603,220.30
  6. Step 6: Final answer
    x = 498,224,141.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.