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Finding the Fourth Proportional to 711,594.72, 982,806.96 and 484,846.56

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Solution

The fourth proportional to 711,594.72, 982,806.96 and 484,846.56 is: 669,637.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,594.72 : 982,806.96 = 484,846.56 : x
  2. Step 2: Convert to fraction form
    711,594.72/982,806.96 = 484,846.56/x
  3. Step 3: Cross multiply
    711,594.72x = 982,806.96 × 484,846.56
  4. Step 4: Simplify right side
    711,594.72x = 476,510,573,700.06
  5. Step 5: Solve for x
    x = 476,510,573,700.06/711,594.72
  6. Step 6: Final answer
    x = 669,637.59

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Double scale
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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.