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Finding the Fourth Proportional to 236,999.40, 354,807.90 and 230,087.40

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Solution

The fourth proportional to 236,999.40, 354,807.90 and 230,087.40 is: 344,460.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,999.40 : 354,807.90 = 230,087.40 : x
  2. Step 2: Convert to fraction form
    236,999.40/354,807.90 = 230,087.40/x
  3. Step 3: Cross multiply
    236,999.40x = 354,807.90 × 230,087.40
  4. Step 4: Simplify right side
    236,999.40x = 81,636,827,210.46
  5. Step 5: Solve for x
    x = 81,636,827,210.46/236,999.40
  6. Step 6: Final answer
    x = 344,460.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.