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Finding the Fourth Proportional to 480,279.17, 720,418.75 and 180,826.93

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Solution

The fourth proportional to 480,279.17, 720,418.75 and 180,826.93 is: 271,240.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,279.17 : 720,418.75 = 180,826.93 : x
  2. Step 2: Convert to fraction form
    480,279.17/720,418.75 = 180,826.93/x
  3. Step 3: Cross multiply
    480,279.17x = 720,418.75 × 180,826.93
  4. Step 4: Simplify right side
    480,279.17x = 130,271,110,876.94
  5. Step 5: Solve for x
    x = 130,271,110,876.94/480,279.17
  6. Step 6: Final answer
    x = 271,240.39

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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.