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Finding the Fourth Proportional to 548,715.02, 757,296.15 and 333,842.18

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Solution

The fourth proportional to 548,715.02, 757,296.15 and 333,842.18 is: 460,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,715.02 : 757,296.15 = 333,842.18 : x
  2. Step 2: Convert to fraction form
    548,715.02/757,296.15 = 333,842.18/x
  3. Step 3: Cross multiply
    548,715.02x = 757,296.15 × 333,842.18
  4. Step 4: Simplify right side
    548,715.02x = 252,817,397,621.61
  5. Step 5: Solve for x
    x = 252,817,397,621.61/548,715.02
  6. Step 6: Final answer
    x = 460,744.45

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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.