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Finding the Fourth Proportional to 292,235.28, 438,601.56 and 114,866.16

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Solution

The fourth proportional to 292,235.28, 438,601.56 and 114,866.16 is: 172,396.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,235.28 : 438,601.56 = 114,866.16 : x
  2. Step 2: Convert to fraction form
    292,235.28/438,601.56 = 114,866.16/x
  3. Step 3: Cross multiply
    292,235.28x = 438,601.56 × 114,866.16
  4. Step 4: Simplify right side
    292,235.28x = 50,380,476,967.21
  5. Step 5: Solve for x
    x = 50,380,476,967.21/292,235.28
  6. Step 6: Final answer
    x = 172,396.97

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1.5x scale

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.