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Finding the Fourth Proportional to 615,270.66, 848,732.34 and 360,572.64

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Solution

The fourth proportional to 615,270.66, 848,732.34 and 360,572.64 is: 497,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,270.66 : 848,732.34 = 360,572.64 : x
  2. Step 2: Convert to fraction form
    615,270.66/848,732.34 = 360,572.64/x
  3. Step 3: Cross multiply
    615,270.66x = 848,732.34 × 360,572.64
  4. Step 4: Simplify right side
    615,270.66x = 306,029,660,487.18
  5. Step 5: Solve for x
    x = 306,029,660,487.18/615,270.66
  6. Step 6: Final answer
    x = 497,390.30

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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.