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Finding the Fourth Proportional to 376,888.82, 520,150.82 and 223,928.25

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Solution

The fourth proportional to 376,888.82, 520,150.82 and 223,928.25 is: 309,047.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,888.82 : 520,150.82 = 223,928.25 : x
  2. Step 2: Convert to fraction form
    376,888.82/520,150.82 = 223,928.25/x
  3. Step 3: Cross multiply
    376,888.82x = 520,150.82 × 223,928.25
  4. Step 4: Simplify right side
    376,888.82x = 116,476,459,788.46
  5. Step 5: Solve for x
    x = 116,476,459,788.46/376,888.82
  6. Step 6: Final answer
    x = 309,047.27

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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.