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Finding the Fourth Proportional to 303,001.20, 453,840.80 and 249,813.36

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Solution

The fourth proportional to 303,001.20, 453,840.80 and 249,813.36 is: 374,175.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,001.20 : 453,840.80 = 249,813.36 : x
  2. Step 2: Convert to fraction form
    303,001.20/453,840.80 = 249,813.36/x
  3. Step 3: Cross multiply
    303,001.20x = 453,840.80 × 249,813.36
  4. Step 4: Simplify right side
    303,001.20x = 113,375,495,153.09
  5. Step 5: Solve for x
    x = 113,375,495,153.09/303,001.20
  6. Step 6: Final answer
    x = 374,175.07

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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.