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Finding the Fourth Proportional to 448,666, 673,298.28 and 232,723.76

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Solution

The fourth proportional to 448,666, 673,298.28 and 232,723.76 is: 349,240.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,666 : 673,298.28 = 232,723.76 : x
  2. Step 2: Convert to fraction form
    448,666/673,298.28 = 232,723.76/x
  3. Step 3: Cross multiply
    448,666x = 673,298.28 × 232,723.76
  4. Step 4: Simplify right side
    448,666x = 156,692,507,323.13
  5. Step 5: Solve for x
    x = 156,692,507,323.13/448,666
  6. Step 6: Final answer
    x = 349,240.88

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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.