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Finding the Fourth Proportional to 654,735.16, 903,535.14 and 368,255.80

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Solution

The fourth proportional to 654,735.16, 903,535.14 and 368,255.80 is: 508,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,735.16 : 903,535.14 = 368,255.80 : x
  2. Step 2: Convert to fraction form
    654,735.16/903,535.14 = 368,255.80/x
  3. Step 3: Cross multiply
    654,735.16x = 903,535.14 × 368,255.80
  4. Step 4: Simplify right side
    654,735.16x = 332,732,055,808.81
  5. Step 5: Solve for x
    x = 332,732,055,808.81/654,735.16
  6. Step 6: Final answer
    x = 508,193.35

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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.