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Finding the Fourth Proportional to 654,908.40, 982,362.60 and 576,176.40

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Solution

The fourth proportional to 654,908.40, 982,362.60 and 576,176.40 is: 864,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,908.40 : 982,362.60 = 576,176.40 : x
  2. Step 2: Convert to fraction form
    654,908.40/982,362.60 = 576,176.40/x
  3. Step 3: Cross multiply
    654,908.40x = 982,362.60 × 576,176.40
  4. Step 4: Simplify right side
    654,908.40x = 566,014,146,362.64
  5. Step 5: Solve for x
    x = 566,014,146,362.64/654,908.40
  6. Step 6: Final answer
    x = 864,264.60

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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.