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Finding the Fourth Proportional to 304,757.94, 457,209.90 and 127,166.16

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Solution

The fourth proportional to 304,757.94, 457,209.90 and 127,166.16 is: 190,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,757.94 : 457,209.90 = 127,166.16 : x
  2. Step 2: Convert to fraction form
    304,757.94/457,209.90 = 127,166.16/x
  3. Step 3: Cross multiply
    304,757.94x = 457,209.90 × 127,166.16
  4. Step 4: Simplify right side
    304,757.94x = 58,141,627,296.98
  5. Step 5: Solve for x
    x = 58,141,627,296.98/304,757.94
  6. Step 6: Final answer
    x = 190,779.70

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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.