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Finding the Fourth Proportional to 303,952.73, 455,929.45 and 79,313.00

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Solution

The fourth proportional to 303,952.73, 455,929.45 and 79,313.00 is: 118,969.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,952.73 : 455,929.45 = 79,313.00 : x
  2. Step 2: Convert to fraction form
    303,952.73/455,929.45 = 79,313.00/x
  3. Step 3: Cross multiply
    303,952.73x = 455,929.45 × 79,313.00
  4. Step 4: Simplify right side
    303,952.73x = 36,161,129,989.92
  5. Step 5: Solve for x
    x = 36,161,129,989.92/303,952.73
  6. Step 6: Final answer
    x = 118,969.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.