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Finding the Fourth Proportional to 615,125.12, 848,957.44 and 360,577.92

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Solution

The fourth proportional to 615,125.12, 848,957.44 and 360,577.92 is: 497,647.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,125.12 : 848,957.44 = 360,577.92 : x
  2. Step 2: Convert to fraction form
    615,125.12/848,957.44 = 360,577.92/x
  3. Step 3: Cross multiply
    615,125.12x = 848,957.44 × 360,577.92
  4. Step 4: Simplify right side
    615,125.12x = 306,115,307,883.73
  5. Step 5: Solve for x
    x = 306,115,307,883.73/615,125.12
  6. Step 6: Final answer
    x = 497,647.22

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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.