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Finding the Fourth Proportional to 315,578.30, 473,602.56 and 231,555.59

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Solution

The fourth proportional to 315,578.30, 473,602.56 and 231,555.59 is: 347,505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,578.30 : 473,602.56 = 231,555.59 : x
  2. Step 2: Convert to fraction form
    315,578.30/473,602.56 = 231,555.59/x
  3. Step 3: Cross multiply
    315,578.30x = 473,602.56 × 231,555.59
  4. Step 4: Simplify right side
    315,578.30x = 109,665,316,969.96
  5. Step 5: Solve for x
    x = 109,665,316,969.96/315,578.30
  6. Step 6: Final answer
    x = 347,505.88

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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.