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Finding the Fourth Proportional to 2,984,471.60, 4,477,009.80 and 962,193.20

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Solution

The fourth proportional to 2,984,471.60, 4,477,009.80 and 962,193.20 is: 1,443,387.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984,471.60 : 4,477,009.80 = 962,193.20 : x
  2. Step 2: Convert to fraction form
    2,984,471.60/4,477,009.80 = 962,193.20/x
  3. Step 3: Cross multiply
    2,984,471.60x = 4,477,009.80 × 962,193.20
  4. Step 4: Simplify right side
    2,984,471.60x = 4,307,748,385,893.36
  5. Step 5: Solve for x
    x = 4,307,748,385,893.36/2,984,471.60
  6. Step 6: Final answer
    x = 1,443,387.29

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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.