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Finding the Fourth Proportional to 304,866.72, 457,300.26 and 127,276.92

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Solution

The fourth proportional to 304,866.72, 457,300.26 and 127,276.92 is: 190,915.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,866.72 : 457,300.26 = 127,276.92 : x
  2. Step 2: Convert to fraction form
    304,866.72/457,300.26 = 127,276.92/x
  3. Step 3: Cross multiply
    304,866.72x = 457,300.26 × 127,276.92
  4. Step 4: Simplify right side
    304,866.72x = 58,203,768,608.00
  5. Step 5: Solve for x
    x = 58,203,768,608.00/304,866.72
  6. Step 6: Final answer
    x = 190,915.46

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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.