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Finding the Fourth Proportional to 294,148.80, 437,896.80 and 292,399.20

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Solution

The fourth proportional to 294,148.80, 437,896.80 and 292,399.20 is: 435,292.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,148.80 : 437,896.80 = 292,399.20 : x
  2. Step 2: Convert to fraction form
    294,148.80/437,896.80 = 292,399.20/x
  3. Step 3: Cross multiply
    294,148.80x = 437,896.80 × 292,399.20
  4. Step 4: Simplify right side
    294,148.80x = 128,040,674,002.56
  5. Step 5: Solve for x
    x = 128,040,674,002.56/294,148.80
  6. Step 6: Final answer
    x = 435,292.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.