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Finding the Fourth Proportional to 566,782.53, 782,144.67 and 308,654.34

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Solution

The fourth proportional to 566,782.53, 782,144.67 and 308,654.34 is: 425,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,782.53 : 782,144.67 = 308,654.34 : x
  2. Step 2: Convert to fraction form
    566,782.53/782,144.67 = 308,654.34/x
  3. Step 3: Cross multiply
    566,782.53x = 782,144.67 × 308,654.34
  4. Step 4: Simplify right side
    566,782.53x = 241,412,346,903.37
  5. Step 5: Solve for x
    x = 241,412,346,903.37/566,782.53
  6. Step 6: Final answer
    x = 425,934.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.