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Finding the Fourth Proportional to 545,206.92, 752,359.50 and 330,333.36

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Solution

The fourth proportional to 545,206.92, 752,359.50 and 330,333.36 is: 455,844.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,206.92 : 752,359.50 = 330,333.36 : x
  2. Step 2: Convert to fraction form
    545,206.92/752,359.50 = 330,333.36/x
  3. Step 3: Cross multiply
    545,206.92x = 752,359.50 × 330,333.36
  4. Step 4: Simplify right side
    545,206.92x = 248,529,441,562.92
  5. Step 5: Solve for x
    x = 248,529,441,562.92/545,206.92
  6. Step 6: Final answer
    x = 455,844.25

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1.5x scale

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.