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Finding the Fourth Proportional to 344,838.52, 475,720.86 and 249,193.72

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Solution

The fourth proportional to 344,838.52, 475,720.86 and 249,193.72 is: 343,774.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,838.52 : 475,720.86 = 249,193.72 : x
  2. Step 2: Convert to fraction form
    344,838.52/475,720.86 = 249,193.72/x
  3. Step 3: Cross multiply
    344,838.52x = 475,720.86 × 249,193.72
  4. Step 4: Simplify right side
    344,838.52x = 118,546,650,785.00
  5. Step 5: Solve for x
    x = 118,546,650,785.00/344,838.52
  6. Step 6: Final answer
    x = 343,774.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.