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Finding the Fourth Proportional to 2,999,972.73, 4,500,426.54 and 977,747.45

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Solution

The fourth proportional to 2,999,972.73, 4,500,426.54 and 977,747.45 is: 1,466,773.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,972.73 : 4,500,426.54 = 977,747.45 : x
  2. Step 2: Convert to fraction form
    2,999,972.73/4,500,426.54 = 977,747.45/x
  3. Step 3: Cross multiply
    2,999,972.73x = 4,500,426.54 × 977,747.45
  4. Step 4: Simplify right side
    2,999,972.73x = 4,400,280,573,397.32
  5. Step 5: Solve for x
    x = 4,400,280,573,397.32/2,999,972.73
  6. Step 6: Final answer
    x = 1,466,773.52

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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.