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Finding the Fourth Proportional to 304,218.80, 456,349.80 and 93,856.40

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Solution

The fourth proportional to 304,218.80, 456,349.80 and 93,856.40 is: 140,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,218.80 : 456,349.80 = 93,856.40 : x
  2. Step 2: Convert to fraction form
    304,218.80/456,349.80 = 93,856.40/x
  3. Step 3: Cross multiply
    304,218.80x = 456,349.80 × 93,856.40
  4. Step 4: Simplify right side
    304,218.80x = 42,831,349,368.72
  5. Step 5: Solve for x
    x = 42,831,349,368.72/304,218.80
  6. Step 6: Final answer
    x = 140,791.26

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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.