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Finding the Fourth Proportional to 615,084.12, 848,796.84 and 360,604.80

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Solution

The fourth proportional to 615,084.12, 848,796.84 and 360,604.80 is: 497,623.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,084.12 : 848,796.84 = 360,604.80 : x
  2. Step 2: Convert to fraction form
    615,084.12/848,796.84 = 360,604.80/x
  3. Step 3: Cross multiply
    615,084.12x = 848,796.84 × 360,604.80
  4. Step 4: Simplify right side
    615,084.12x = 306,080,214,728.83
  5. Step 5: Solve for x
    x = 306,080,214,728.83/615,084.12
  6. Step 6: Final answer
    x = 497,623.34

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1.5x scale

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.