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Finding the Fourth Proportional to 243,313.52, 333,333.95 and 234,216.54

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Solution

The fourth proportional to 243,313.52, 333,333.95 and 234,216.54 is: 320,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,313.52 : 333,333.95 = 234,216.54 : x
  2. Step 2: Convert to fraction form
    243,313.52/333,333.95 = 234,216.54/x
  3. Step 3: Cross multiply
    243,313.52x = 333,333.95 × 234,216.54
  4. Step 4: Simplify right side
    243,313.52x = 78,072,323,262.45
  5. Step 5: Solve for x
    x = 78,072,323,262.45/243,313.52
  6. Step 6: Final answer
    x = 320,871.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.