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Finding the Fourth Proportional to 974,728.30, 1,462,092.45 and 264,844.30

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Solution

The fourth proportional to 974,728.30, 1,462,092.45 and 264,844.30 is: 397,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,728.30 : 1,462,092.45 = 264,844.30 : x
  2. Step 2: Convert to fraction form
    974,728.30/1,462,092.45 = 264,844.30/x
  3. Step 3: Cross multiply
    974,728.30x = 1,462,092.45 × 264,844.30
  4. Step 4: Simplify right side
    974,728.30x = 387,226,851,455.54
  5. Step 5: Solve for x
    x = 387,226,851,455.54/974,728.30
  6. Step 6: Final answer
    x = 397,266.45

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Double scale
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Similar ratio
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1.5x scale

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.