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Finding the Fourth Proportional to 971,994.20, 1,457,991.30 and 883,347.80

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Solution

The fourth proportional to 971,994.20, 1,457,991.30 and 883,347.80 is: 1,325,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,994.20 : 1,457,991.30 = 883,347.80 : x
  2. Step 2: Convert to fraction form
    971,994.20/1,457,991.30 = 883,347.80/x
  3. Step 3: Cross multiply
    971,994.20x = 1,457,991.30 × 883,347.80
  4. Step 4: Simplify right side
    971,994.20x = 1,287,913,407,274.14
  5. Step 5: Solve for x
    x = 1,287,913,407,274.14/971,994.20
  6. Step 6: Final answer
    x = 1,325,021.70

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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.