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Finding the Fourth Proportional to 970,777.80, 1,456,166.70 and 883,686.60

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Solution

The fourth proportional to 970,777.80, 1,456,166.70 and 883,686.60 is: 1,325,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,777.80 : 1,456,166.70 = 883,686.60 : x
  2. Step 2: Convert to fraction form
    970,777.80/1,456,166.70 = 883,686.60/x
  3. Step 3: Cross multiply
    970,777.80x = 1,456,166.70 × 883,686.60
  4. Step 4: Simplify right side
    970,777.80x = 1,286,795,000,156.22
  5. Step 5: Solve for x
    x = 1,286,795,000,156.22/970,777.80
  6. Step 6: Final answer
    x = 1,325,529.90

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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.