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Finding the Fourth Proportional to 316,155.52, 473,901.13 and 196,212.24

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Solution

The fourth proportional to 316,155.52, 473,901.13 and 196,212.24 is: 294,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,155.52 : 473,901.13 = 196,212.24 : x
  2. Step 2: Convert to fraction form
    316,155.52/473,901.13 = 196,212.24/x
  3. Step 3: Cross multiply
    316,155.52x = 473,901.13 × 196,212.24
  4. Step 4: Simplify right side
    316,155.52x = 92,985,202,501.10
  5. Step 5: Solve for x
    x = 92,985,202,501.10/316,155.52
  6. Step 6: Final answer
    x = 294,112.22

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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.