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Finding the Fourth Proportional to 223,232.22, 333,242.64 and 191,298.78

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Solution

The fourth proportional to 223,232.22, 333,242.64 and 191,298.78 is: 285,572.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,232.22 : 333,242.64 = 191,298.78 : x
  2. Step 2: Convert to fraction form
    223,232.22/333,242.64 = 191,298.78/x
  3. Step 3: Cross multiply
    223,232.22x = 333,242.64 × 191,298.78
  4. Step 4: Simplify right side
    223,232.22x = 63,748,910,475.98
  5. Step 5: Solve for x
    x = 63,748,910,475.98/223,232.22
  6. Step 6: Final answer
    x = 285,572.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.