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Finding the Fourth Proportional to 654,892.64, 903,750.50 and 368,412.96

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Solution

The fourth proportional to 654,892.64, 903,750.50 and 368,412.96 is: 508,409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,892.64 : 903,750.50 = 368,412.96 : x
  2. Step 2: Convert to fraction form
    654,892.64/903,750.50 = 368,412.96/x
  3. Step 3: Cross multiply
    654,892.64x = 903,750.50 × 368,412.96
  4. Step 4: Simplify right side
    654,892.64x = 332,953,396,806.48
  5. Step 5: Solve for x
    x = 332,953,396,806.48/654,892.64
  6. Step 6: Final answer
    x = 508,409.13

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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.