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Finding the Fourth Proportional to 311,259.20, 466,111.20 and 249,051.20

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Solution

The fourth proportional to 311,259.20, 466,111.20 and 249,051.20 is: 372,954.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,259.20 : 466,111.20 = 249,051.20 : x
  2. Step 2: Convert to fraction form
    311,259.20/466,111.20 = 249,051.20/x
  3. Step 3: Cross multiply
    311,259.20x = 466,111.20 × 249,051.20
  4. Step 4: Simplify right side
    311,259.20x = 116,085,553,693.44
  5. Step 5: Solve for x
    x = 116,085,553,693.44/311,259.20
  6. Step 6: Final answer
    x = 372,954.61

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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.