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Finding the Fourth Proportional to 2,984,294.22, 4,472,672.40 and 1,276,407.60

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Solution

The fourth proportional to 2,984,294.22, 4,472,672.40 and 1,276,407.60 is: 1,912,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984,294.22 : 4,472,672.40 = 1,276,407.60 : x
  2. Step 2: Convert to fraction form
    2,984,294.22/4,472,672.40 = 1,276,407.60/x
  3. Step 3: Cross multiply
    2,984,294.22x = 4,472,672.40 × 1,276,407.60
  4. Step 4: Simplify right side
    2,984,294.22x = 5,708,953,043,670.24
  5. Step 5: Solve for x
    x = 5,708,953,043,670.24/2,984,294.22
  6. Step 6: Final answer
    x = 1,912,999.40

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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.