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Finding the Fourth Proportional to 474,374.69, 654,634.73 and 259,510.85

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Solution

The fourth proportional to 474,374.69, 654,634.73 and 259,510.85 is: 358,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,374.69 : 654,634.73 = 259,510.85 : x
  2. Step 2: Convert to fraction form
    474,374.69/654,634.73 = 259,510.85/x
  3. Step 3: Cross multiply
    474,374.69x = 654,634.73 × 259,510.85
  4. Step 4: Simplify right side
    474,374.69x = 169,884,810,651.09
  5. Step 5: Solve for x
    x = 169,884,810,651.09/474,374.69
  6. Step 6: Final answer
    x = 358,123.69

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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.