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Finding the Fourth Proportional to 235,298.04, 324,487.80 and 154,793.76

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Solution

The fourth proportional to 235,298.04, 324,487.80 and 154,793.76 is: 213,468.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,298.04 : 324,487.80 = 154,793.76 : x
  2. Step 2: Convert to fraction form
    235,298.04/324,487.80 = 154,793.76/x
  3. Step 3: Cross multiply
    235,298.04x = 324,487.80 × 154,793.76
  4. Step 4: Simplify right side
    235,298.04x = 50,228,686,636.13
  5. Step 5: Solve for x
    x = 50,228,686,636.13/235,298.04
  6. Step 6: Final answer
    x = 213,468.36

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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.