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Finding the Fourth Proportional to 548,113.12, 756,518.08 and 333,207.52

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Solution

The fourth proportional to 548,113.12, 756,518.08 and 333,207.52 is: 459,900.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,113.12 : 756,518.08 = 333,207.52 : x
  2. Step 2: Convert to fraction form
    548,113.12/756,518.08 = 333,207.52/x
  3. Step 3: Cross multiply
    548,113.12x = 756,518.08 × 333,207.52
  4. Step 4: Simplify right side
    548,113.12x = 252,077,513,271.96
  5. Step 5: Solve for x
    x = 252,077,513,271.96/548,113.12
  6. Step 6: Final answer
    x = 459,900.53

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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.