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Finding the Fourth Proportional to 636,363.52, 878,163.17 and 360,746.93

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Solution

The fourth proportional to 636,363.52, 878,163.17 and 360,746.93 is: 497,820.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,363.52 : 878,163.17 = 360,746.93 : x
  2. Step 2: Convert to fraction form
    636,363.52/878,163.17 = 360,746.93/x
  3. Step 3: Cross multiply
    636,363.52x = 878,163.17 × 360,746.93
  4. Step 4: Simplify right side
    636,363.52x = 316,794,670,037.44
  5. Step 5: Solve for x
    x = 316,794,670,037.44/636,363.52
  6. Step 6: Final answer
    x = 497,820.28

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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.