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Finding the Fourth Proportional to 505,747.33, 758,994.30 and 239,507.42

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Solution

The fourth proportional to 505,747.33, 758,994.30 and 239,507.42 is: 359,437.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,747.33 : 758,994.30 = 239,507.42 : x
  2. Step 2: Convert to fraction form
    505,747.33/758,994.30 = 239,507.42/x
  3. Step 3: Cross multiply
    505,747.33x = 758,994.30 × 239,507.42
  4. Step 4: Simplify right side
    505,747.33x = 181,784,762,792.74
  5. Step 5: Solve for x
    x = 181,784,762,792.74/505,747.33
  6. Step 6: Final answer
    x = 359,437.91

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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.