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Finding the Fourth Proportional to 383,334.83, 528,643.26 and 302,954.39

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Solution

The fourth proportional to 383,334.83, 528,643.26 and 302,954.39 is: 417,793.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,334.83 : 528,643.26 = 302,954.39 : x
  2. Step 2: Convert to fraction form
    383,334.83/528,643.26 = 302,954.39/x
  3. Step 3: Cross multiply
    383,334.83x = 528,643.26 × 302,954.39
  4. Step 4: Simplify right side
    383,334.83x = 160,154,793,717.70
  5. Step 5: Solve for x
    x = 160,154,793,717.70/383,334.83
  6. Step 6: Final answer
    x = 417,793.49

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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.