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Finding the Fourth Proportional to 290,304,334.80, 435,456,502.20 and 246,466,357.20

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Solution

The fourth proportional to 290,304,334.80, 435,456,502.20 and 246,466,357.20 is: 369,699,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,304,334.80 : 435,456,502.20 = 246,466,357.20 : x
  2. Step 2: Convert to fraction form
    290,304,334.80/435,456,502.20 = 246,466,357.20/x
  3. Step 3: Cross multiply
    290,304,334.80x = 435,456,502.20 × 246,466,357.20
  4. Step 4: Simplify right side
    290,304,334.80x = 107,325,377,816,287,776
  5. Step 5: Solve for x
    x = 107,325,377,816,287,776/290,304,334.80
  6. Step 6: Final answer
    x = 369,699,535.80

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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.