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Finding the Fourth Proportional to 292,584.56, 438,870.35 and 134,812.96

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Solution

The fourth proportional to 292,584.56, 438,870.35 and 134,812.96 is: 202,216.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,584.56 : 438,870.35 = 134,812.96 : x
  2. Step 2: Convert to fraction form
    292,584.56/438,870.35 = 134,812.96/x
  3. Step 3: Cross multiply
    292,584.56x = 438,870.35 × 134,812.96
  4. Step 4: Simplify right side
    292,584.56x = 59,165,410,179.59
  5. Step 5: Solve for x
    x = 59,165,410,179.59/292,584.56
  6. Step 6: Final answer
    x = 202,216.45

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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.