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Finding the Fourth Proportional to 511,686.42, 767,526.57 and 132,606.22

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Solution

The fourth proportional to 511,686.42, 767,526.57 and 132,606.22 is: 198,908.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,686.42 : 767,526.57 = 132,606.22 : x
  2. Step 2: Convert to fraction form
    511,686.42/767,526.57 = 132,606.22/x
  3. Step 3: Cross multiply
    511,686.42x = 767,526.57 × 132,606.22
  4. Step 4: Simplify right side
    511,686.42x = 101,778,796,717.56
  5. Step 5: Solve for x
    x = 101,778,796,717.56/511,686.42
  6. Step 6: Final answer
    x = 198,908.54

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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.