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Finding the Fourth Proportional to 292,223.70, 438,663.60 and 225,957.60

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Solution

The fourth proportional to 292,223.70, 438,663.60 and 225,957.60 is: 339,190.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,223.70 : 438,663.60 = 225,957.60 : x
  2. Step 2: Convert to fraction form
    292,223.70/438,663.60 = 225,957.60/x
  3. Step 3: Cross multiply
    292,223.70x = 438,663.60 × 225,957.60
  4. Step 4: Simplify right side
    292,223.70x = 99,119,374,263.36
  5. Step 5: Solve for x
    x = 99,119,374,263.36/292,223.70
  6. Step 6: Final answer
    x = 339,190.06

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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.