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Finding the Fourth Proportional to 3,705,848.04, 5,559,220.55 and 1,309,202.22

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Solution

The fourth proportional to 3,705,848.04, 5,559,220.55 and 1,309,202.22 is: 1,963,961.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705,848.04 : 5,559,220.55 = 1,309,202.22 : x
  2. Step 2: Convert to fraction form
    3,705,848.04/5,559,220.55 = 1,309,202.22/x
  3. Step 3: Cross multiply
    3,705,848.04x = 5,559,220.55 × 1,309,202.22
  4. Step 4: Simplify right side
    3,705,848.04x = 7,278,143,878,983.61
  5. Step 5: Solve for x
    x = 7,278,143,878,983.61/3,705,848.04
  6. Step 6: Final answer
    x = 1,963,961.77

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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.