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Finding the Fourth Proportional to 615,264.26, 848,937.71 and 353,568.85

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Solution

The fourth proportional to 615,264.26, 848,937.71 and 353,568.85 is: 487,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,264.26 : 848,937.71 = 353,568.85 : x
  2. Step 2: Convert to fraction form
    615,264.26/848,937.71 = 353,568.85/x
  3. Step 3: Cross multiply
    615,264.26x = 848,937.71 × 353,568.85
  4. Step 4: Simplify right side
    615,264.26x = 300,157,928,607.91
  5. Step 5: Solve for x
    x = 300,157,928,607.91/615,264.26
  6. Step 6: Final answer
    x = 487,852.05

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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.