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Finding the Fourth Proportional to 505,561.75, 758,088.59 and 168,484.30

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Solution

The fourth proportional to 505,561.75, 758,088.59 and 168,484.30 is: 252,641.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,561.75 : 758,088.59 = 168,484.30 : x
  2. Step 2: Convert to fraction form
    505,561.75/758,088.59 = 168,484.30/x
  3. Step 3: Cross multiply
    505,561.75x = 758,088.59 × 168,484.30
  4. Step 4: Simplify right side
    505,561.75x = 127,726,022,686.49
  5. Step 5: Solve for x
    x = 127,726,022,686.49/505,561.75
  6. Step 6: Final answer
    x = 252,641.79

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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.