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Finding the Fourth Proportional to 282,804.04, 423,283.02 and 207,904.36

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Solution

The fourth proportional to 282,804.04, 423,283.02 and 207,904.36 is: 311,177.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,804.04 : 423,283.02 = 207,904.36 : x
  2. Step 2: Convert to fraction form
    282,804.04/423,283.02 = 207,904.36/x
  3. Step 3: Cross multiply
    282,804.04x = 423,283.02 × 207,904.36
  4. Step 4: Simplify right side
    282,804.04x = 88,002,385,371.97
  5. Step 5: Solve for x
    x = 88,002,385,371.97/282,804.04
  6. Step 6: Final answer
    x = 311,177.96

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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.