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Finding the Fourth Proportional to 566,663.68, 782,005.62 and 308,548

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Solution

The fourth proportional to 566,663.68, 782,005.62 and 308,548 is: 425,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,663.68 : 782,005.62 = 308,548 : x
  2. Step 2: Convert to fraction form
    566,663.68/782,005.62 = 308,548/x
  3. Step 3: Cross multiply
    566,663.68x = 782,005.62 × 308,548
  4. Step 4: Simplify right side
    566,663.68x = 241,286,270,039.76
  5. Step 5: Solve for x
    x = 241,286,270,039.76/566,663.68
  6. Step 6: Final answer
    x = 425,801.54

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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.