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Finding the Fourth Proportional to 304,667.64, 456,703.16 and 127,225.40

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Solution

The fourth proportional to 304,667.64, 456,703.16 and 127,225.40 is: 190,713.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,667.64 : 456,703.16 = 127,225.40 : x
  2. Step 2: Convert to fraction form
    304,667.64/456,703.16 = 127,225.40/x
  3. Step 3: Cross multiply
    304,667.64x = 456,703.16 × 127,225.40
  4. Step 4: Simplify right side
    304,667.64x = 58,104,239,292.62
  5. Step 5: Solve for x
    x = 58,104,239,292.62/304,667.64
  6. Step 6: Final answer
    x = 190,713.52

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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.