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Finding the Fourth Proportional to 614,326.44, 921,427.38 and 164,988.92

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Solution

The fourth proportional to 614,326.44, 921,427.38 and 164,988.92 is: 247,466.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,326.44 : 921,427.38 = 164,988.92 : x
  2. Step 2: Convert to fraction form
    614,326.44/921,427.38 = 164,988.92/x
  3. Step 3: Cross multiply
    614,326.44x = 921,427.38 × 164,988.92
  4. Step 4: Simplify right side
    614,326.44x = 152,025,308,284.63
  5. Step 5: Solve for x
    x = 152,025,308,284.63/614,326.44
  6. Step 6: Final answer
    x = 247,466.65

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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.