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Finding the Fourth Proportional to 637,482.73, 879,729.38 and 365,560.87

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Solution

The fourth proportional to 637,482.73, 879,729.38 and 365,560.87 is: 504,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,482.73 : 879,729.38 = 365,560.87 : x
  2. Step 2: Convert to fraction form
    637,482.73/879,729.38 = 365,560.87/x
  3. Step 3: Cross multiply
    637,482.73x = 879,729.38 × 365,560.87
  4. Step 4: Simplify right side
    637,482.73x = 321,594,637,517.36
  5. Step 5: Solve for x
    x = 321,594,637,517.36/637,482.73
  6. Step 6: Final answer
    x = 504,475.84

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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.