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Finding the Fourth Proportional to 471,365.73, 650,484.27 and 256,505.40

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Solution

The fourth proportional to 471,365.73, 650,484.27 and 256,505.40 is: 353,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,365.73 : 650,484.27 = 256,505.40 : x
  2. Step 2: Convert to fraction form
    471,365.73/650,484.27 = 256,505.40/x
  3. Step 3: Cross multiply
    471,365.73x = 650,484.27 × 256,505.40
  4. Step 4: Simplify right side
    471,365.73x = 166,852,727,870.06
  5. Step 5: Solve for x
    x = 166,852,727,870.06/471,365.73
  6. Step 6: Final answer
    x = 353,977.21

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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.