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Finding the Fourth Proportional to 700,577.80, 966,821.22 and 414,343.24

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Solution

The fourth proportional to 700,577.80, 966,821.22 and 414,343.24 is: 571,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,577.80 : 966,821.22 = 414,343.24 : x
  2. Step 2: Convert to fraction form
    700,577.80/966,821.22 = 414,343.24/x
  3. Step 3: Cross multiply
    700,577.80x = 966,821.22 × 414,343.24
  4. Step 4: Simplify right side
    700,577.80x = 400,595,836,795.55
  5. Step 5: Solve for x
    x = 400,595,836,795.55/700,577.80
  6. Step 6: Final answer
    x = 571,807.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.