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Finding the Fourth Proportional to 654,348.33, 903,002.10 and 367,870.77

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Solution

The fourth proportional to 654,348.33, 903,002.10 and 367,870.77 is: 507,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,348.33 : 903,002.10 = 367,870.77 : x
  2. Step 2: Convert to fraction form
    654,348.33/903,002.10 = 367,870.77/x
  3. Step 3: Cross multiply
    654,348.33x = 903,002.10 × 367,870.77
  4. Step 4: Simplify right side
    654,348.33x = 332,188,077,838.62
  5. Step 5: Solve for x
    x = 332,188,077,838.62/654,348.33
  6. Step 6: Final answer
    x = 507,662.45

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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.