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Finding the Fourth Proportional to 294,989.76, 442,927.71 and 168,772.50

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Solution

The fourth proportional to 294,989.76, 442,927.71 and 168,772.50 is: 253,412.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,989.76 : 442,927.71 = 168,772.50 : x
  2. Step 2: Convert to fraction form
    294,989.76/442,927.71 = 168,772.50/x
  3. Step 3: Cross multiply
    294,989.76x = 442,927.71 × 168,772.50
  4. Step 4: Simplify right side
    294,989.76x = 74,754,016,935.98
  5. Step 5: Solve for x
    x = 74,754,016,935.98/294,989.76
  6. Step 6: Final answer
    x = 253,412.24

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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.