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Finding the Fourth Proportional to 548,591.08, 755,373.45 and 480,225.46

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Solution

The fourth proportional to 548,591.08, 755,373.45 and 480,225.46 is: 661,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,591.08 : 755,373.45 = 480,225.46 : x
  2. Step 2: Convert to fraction form
    548,591.08/755,373.45 = 480,225.46/x
  3. Step 3: Cross multiply
    548,591.08x = 755,373.45 × 480,225.46
  4. Step 4: Simplify right side
    548,591.08x = 362,749,562,498.04
  5. Step 5: Solve for x
    x = 362,749,562,498.04/548,591.08
  6. Step 6: Final answer
    x = 661,238.54

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Double scale
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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.