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Finding the Fourth Proportional to 404,667.84, 558,443.54 and 223,376.46

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Solution

The fourth proportional to 404,667.84, 558,443.54 and 223,376.46 is: 308,260.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,667.84 : 558,443.54 = 223,376.46 : x
  2. Step 2: Convert to fraction form
    404,667.84/558,443.54 = 223,376.46/x
  3. Step 3: Cross multiply
    404,667.84x = 558,443.54 × 223,376.46
  4. Step 4: Simplify right side
    404,667.84x = 124,743,141,075.07
  5. Step 5: Solve for x
    x = 124,743,141,075.07/404,667.84
  6. Step 6: Final answer
    x = 308,260.58

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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.