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Finding the Fourth Proportional to 661,886.88, 992,645.52 and 235,368.36

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Solution

The fourth proportional to 661,886.88, 992,645.52 and 235,368.36 is: 352,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,886.88 : 992,645.52 = 235,368.36 : x
  2. Step 2: Convert to fraction form
    661,886.88/992,645.52 = 235,368.36/x
  3. Step 3: Cross multiply
    661,886.88x = 992,645.52 × 235,368.36
  4. Step 4: Simplify right side
    661,886.88x = 233,637,348,103.75
  5. Step 5: Solve for x
    x = 233,637,348,103.75/661,886.88
  6. Step 6: Final answer
    x = 352,986.82

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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.