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Finding the Fourth Proportional to 636,010.44, 877,684.32 and 349,524.36

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Solution

The fourth proportional to 636,010.44, 877,684.32 and 349,524.36 is: 482,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,010.44 : 877,684.32 = 349,524.36 : x
  2. Step 2: Convert to fraction form
    636,010.44/877,684.32 = 349,524.36/x
  3. Step 3: Cross multiply
    636,010.44x = 877,684.32 × 349,524.36
  4. Step 4: Simplify right side
    636,010.44x = 306,772,050,230.04
  5. Step 5: Solve for x
    x = 306,772,050,230.04/636,010.44
  6. Step 6: Final answer
    x = 482,338.07

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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.