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Finding the Fourth Proportional to 661,878.29, 992,653.40 and 188,567.75

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Solution

The fourth proportional to 661,878.29, 992,653.40 and 188,567.75 is: 282,804.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,878.29 : 992,653.40 = 188,567.75 : x
  2. Step 2: Convert to fraction form
    661,878.29/992,653.40 = 188,567.75/x
  3. Step 3: Cross multiply
    661,878.29x = 992,653.40 × 188,567.75
  4. Step 4: Simplify right side
    661,878.29x = 187,182,412,261.74
  5. Step 5: Solve for x
    x = 187,182,412,261.74/661,878.29
  6. Step 6: Final answer
    x = 282,804.88

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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.