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Finding the Fourth Proportional to 426,359.55, 588,360.75 and 235,368.84

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Solution

The fourth proportional to 426,359.55, 588,360.75 and 235,368.84 is: 324,800.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,359.55 : 588,360.75 = 235,368.84 : x
  2. Step 2: Convert to fraction form
    426,359.55/588,360.75 = 235,368.84/x
  3. Step 3: Cross multiply
    426,359.55x = 588,360.75 × 235,368.84
  4. Step 4: Simplify right side
    426,359.55x = 138,481,784,875.65
  5. Step 5: Solve for x
    x = 138,481,784,875.65/426,359.55
  6. Step 6: Final answer
    x = 324,800.48

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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.