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Finding the Fourth Proportional to 1,229,972.80, 1,845,304.80 and 598,907.20

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Solution

The fourth proportional to 1,229,972.80, 1,845,304.80 and 598,907.20 is: 898,529.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,972.80 : 1,845,304.80 = 598,907.20 : x
  2. Step 2: Convert to fraction form
    1,229,972.80/1,845,304.80 = 598,907.20/x
  3. Step 3: Cross multiply
    1,229,972.80x = 1,845,304.80 × 598,907.20
  4. Step 4: Simplify right side
    1,229,972.80x = 1,105,166,330,914.56
  5. Step 5: Solve for x
    x = 1,105,166,330,914.56/1,229,972.80
  6. Step 6: Final answer
    x = 898,529.08

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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.