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Finding the Fourth Proportional to 426,709.71, 588,836.61 and 245,392.83

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Solution

The fourth proportional to 426,709.71, 588,836.61 and 245,392.83 is: 338,629.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,709.71 : 588,836.61 = 245,392.83 : x
  2. Step 2: Convert to fraction form
    426,709.71/588,836.61 = 245,392.83/x
  3. Step 3: Cross multiply
    426,709.71x = 588,836.61 × 245,392.83
  4. Step 4: Simplify right side
    426,709.71x = 144,496,282,135.51
  5. Step 5: Solve for x
    x = 144,496,282,135.51/426,709.71
  6. Step 6: Final answer
    x = 338,629.00

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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.