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Finding the Fourth Proportional to 426,588.78, 588,688.89 and 235,598.07

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Solution

The fourth proportional to 426,588.78, 588,688.89 and 235,598.07 is: 325,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,588.78 : 588,688.89 = 235,598.07 : x
  2. Step 2: Convert to fraction form
    426,588.78/588,688.89 = 235,598.07/x
  3. Step 3: Cross multiply
    426,588.78x = 588,688.89 × 235,598.07
  4. Step 4: Simplify right side
    426,588.78x = 138,693,966,314.44
  5. Step 5: Solve for x
    x = 138,693,966,314.44/426,588.78
  6. Step 6: Final answer
    x = 325,123.33

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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.