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Finding the Fourth Proportional to 3,648,603.60, 5,472,905.40 and 2,304,910.80

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Solution

The fourth proportional to 3,648,603.60, 5,472,905.40 and 2,304,910.80 is: 3,457,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648,603.60 : 5,472,905.40 = 2,304,910.80 : x
  2. Step 2: Convert to fraction form
    3,648,603.60/5,472,905.40 = 2,304,910.80/x
  3. Step 3: Cross multiply
    3,648,603.60x = 5,472,905.40 × 2,304,910.80
  4. Step 4: Simplify right side
    3,648,603.60x = 12,614,558,763,838.32
  5. Step 5: Solve for x
    x = 12,614,558,763,838.32/3,648,603.60
  6. Step 6: Final answer
    x = 3,457,366.20

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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.