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Finding the Fourth Proportional to 446,751.60, 616,517.22 and 242,803.02

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Solution

The fourth proportional to 446,751.60, 616,517.22 and 242,803.02 is: 335,068.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,751.60 : 616,517.22 = 242,803.02 : x
  2. Step 2: Convert to fraction form
    446,751.60/616,517.22 = 242,803.02/x
  3. Step 3: Cross multiply
    446,751.60x = 616,517.22 × 242,803.02
  4. Step 4: Simplify right side
    446,751.60x = 149,692,242,652.55
  5. Step 5: Solve for x
    x = 149,692,242,652.55/446,751.60
  6. Step 6: Final answer
    x = 335,068.17

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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.