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Finding the Fourth Proportional to 618,482.56, 847,110.80 and 582,168.64

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Solution

The fourth proportional to 618,482.56, 847,110.80 and 582,168.64 is: 797,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,482.56 : 847,110.80 = 582,168.64 : x
  2. Step 2: Convert to fraction form
    618,482.56/847,110.80 = 582,168.64/x
  3. Step 3: Cross multiply
    618,482.56x = 847,110.80 × 582,168.64
  4. Step 4: Simplify right side
    618,482.56x = 493,161,342,365.31
  5. Step 5: Solve for x
    x = 493,161,342,365.31/618,482.56
  6. Step 6: Final answer
    x = 797,373.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.