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Finding the Fourth Proportional to 304,801.48, 456,980.70 and 127,359.28

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Solution

The fourth proportional to 304,801.48, 456,980.70 and 127,359.28 is: 190,946.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,801.48 : 456,980.70 = 127,359.28 : x
  2. Step 2: Convert to fraction form
    304,801.48/456,980.70 = 127,359.28/x
  3. Step 3: Cross multiply
    304,801.48x = 456,980.70 × 127,359.28
  4. Step 4: Simplify right side
    304,801.48x = 58,200,732,925.90
  5. Step 5: Solve for x
    x = 58,200,732,925.90/304,801.48
  6. Step 6: Final answer
    x = 190,946.36

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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.