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Finding the Fourth Proportional to 615,188.67, 848,962.71 and 343,268.03

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Solution

The fourth proportional to 615,188.67, 848,962.71 and 343,268.03 is: 473,711.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,188.67 : 848,962.71 = 343,268.03 : x
  2. Step 2: Convert to fraction form
    615,188.67/848,962.71 = 343,268.03/x
  3. Step 3: Cross multiply
    615,188.67x = 848,962.71 × 343,268.03
  4. Step 4: Simplify right side
    615,188.67x = 291,421,752,760.35
  5. Step 5: Solve for x
    x = 291,421,752,760.35/615,188.67
  6. Step 6: Final answer
    x = 473,711.18

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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.