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Finding the Fourth Proportional to 404,842.88, 607,265.08 and 105,322.97

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Solution

The fourth proportional to 404,842.88, 607,265.08 and 105,322.97 is: 157,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,842.88 : 607,265.08 = 105,322.97 : x
  2. Step 2: Convert to fraction form
    404,842.88/607,265.08 = 105,322.97/x
  3. Step 3: Cross multiply
    404,842.88x = 607,265.08 × 105,322.97
  4. Step 4: Simplify right side
    404,842.88x = 63,958,960,234.32
  5. Step 5: Solve for x
    x = 63,958,960,234.32/404,842.88
  6. Step 6: Final answer
    x = 157,984.65

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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.