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Finding the Fourth Proportional to 294,081.40, 439,130.13 and 233,429.41

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Solution

The fourth proportional to 294,081.40, 439,130.13 and 233,429.41 is: 348,562.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,081.40 : 439,130.13 = 233,429.41 : x
  2. Step 2: Convert to fraction form
    294,081.40/439,130.13 = 233,429.41/x
  3. Step 3: Cross multiply
    294,081.40x = 439,130.13 × 233,429.41
  4. Step 4: Simplify right side
    294,081.40x = 102,505,887,159.12
  5. Step 5: Solve for x
    x = 102,505,887,159.12/294,081.40
  6. Step 6: Final answer
    x = 348,562.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.