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Finding the Fourth Proportional to 635,035.14, 876,758.88 and 393,573.94

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Solution

The fourth proportional to 635,035.14, 876,758.88 and 393,573.94 is: 543,386.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,035.14 : 876,758.88 = 393,573.94 : x
  2. Step 2: Convert to fraction form
    635,035.14/876,758.88 = 393,573.94/x
  3. Step 3: Cross multiply
    635,035.14x = 876,758.88 × 393,573.94
  4. Step 4: Simplify right side
    635,035.14x = 345,069,446,115.59
  5. Step 5: Solve for x
    x = 345,069,446,115.59/635,035.14
  6. Step 6: Final answer
    x = 543,386.38

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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.