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Finding the Fourth Proportional to 528,852.32, 792,490.68 and 292,262.56

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Solution

The fourth proportional to 528,852.32, 792,490.68 and 292,262.56 is: 437,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,852.32 : 792,490.68 = 292,262.56 : x
  2. Step 2: Convert to fraction form
    528,852.32/792,490.68 = 292,262.56/x
  3. Step 3: Cross multiply
    528,852.32x = 792,490.68 × 292,262.56
  4. Step 4: Simplify right side
    528,852.32x = 231,615,354,912.94
  5. Step 5: Solve for x
    x = 231,615,354,912.94/528,852.32
  6. Step 6: Final answer
    x = 437,958.47

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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.