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Finding the Fourth Proportional to 243,643.34, 364,897.31 and 236,917.10

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Solution

The fourth proportional to 243,643.34, 364,897.31 and 236,917.10 is: 354,823.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,643.34 : 364,897.31 = 236,917.10 : x
  2. Step 2: Convert to fraction form
    243,643.34/364,897.31 = 236,917.10/x
  3. Step 3: Cross multiply
    243,643.34x = 364,897.31 × 236,917.10
  4. Step 4: Simplify right side
    243,643.34x = 86,450,412,210.66
  5. Step 5: Solve for x
    x = 86,450,412,210.66/243,643.34
  6. Step 6: Final answer
    x = 354,823.62

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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.