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Finding the Fourth Proportional to 528,066.74, 791,783.73 and 168,082.08

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Solution

The fourth proportional to 528,066.74, 791,783.73 and 168,082.08 is: 252,022.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,066.74 : 791,783.73 = 168,082.08 : x
  2. Step 2: Convert to fraction form
    528,066.74/791,783.73 = 168,082.08/x
  3. Step 3: Cross multiply
    528,066.74x = 791,783.73 × 168,082.08
  4. Step 4: Simplify right side
    528,066.74x = 133,084,656,248.56
  5. Step 5: Solve for x
    x = 133,084,656,248.56/528,066.74
  6. Step 6: Final answer
    x = 252,022.42

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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.