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Finding the Fourth Proportional to 656,152.16, 984,268.88 and 206,888.48

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Solution

The fourth proportional to 656,152.16, 984,268.88 and 206,888.48 is: 310,345.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,152.16 : 984,268.88 = 206,888.48 : x
  2. Step 2: Convert to fraction form
    656,152.16/984,268.88 = 206,888.48/x
  3. Step 3: Cross multiply
    656,152.16x = 984,268.88 × 206,888.48
  4. Step 4: Simplify right side
    656,152.16x = 203,633,892,494.50
  5. Step 5: Solve for x
    x = 203,633,892,494.50/656,152.16
  6. Step 6: Final answer
    x = 310,345.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.