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Finding the Fourth Proportional to 966,565.80, 1,448,466.30 and 711,858.60

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Solution

The fourth proportional to 966,565.80, 1,448,466.30 and 711,858.60 is: 1,066,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,565.80 : 1,448,466.30 = 711,858.60 : x
  2. Step 2: Convert to fraction form
    966,565.80/1,448,466.30 = 711,858.60/x
  3. Step 3: Cross multiply
    966,565.80x = 1,448,466.30 × 711,858.60
  4. Step 4: Simplify right side
    966,565.80x = 1,031,103,192,465.18
  5. Step 5: Solve for x
    x = 1,031,103,192,465.18/966,565.80
  6. Step 6: Final answer
    x = 1,066,769.79

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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.