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Finding the Fourth Proportional to 437,892.48, 604,290.72 and 236,688

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Solution

The fourth proportional to 437,892.48, 604,290.72 and 236,688 is: 326,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,892.48 : 604,290.72 = 236,688 : x
  2. Step 2: Convert to fraction form
    437,892.48/604,290.72 = 236,688/x
  3. Step 3: Cross multiply
    437,892.48x = 604,290.72 × 236,688
  4. Step 4: Simplify right side
    437,892.48x = 143,028,361,935.36
  5. Step 5: Solve for x
    x = 143,028,361,935.36/437,892.48
  6. Step 6: Final answer
    x = 326,628.95

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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.