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Finding the Fourth Proportional to 635,608.06, 877,154.27 and 349,134.15

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Solution

The fourth proportional to 635,608.06, 877,154.27 and 349,134.15 is: 481,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,608.06 : 877,154.27 = 349,134.15 : x
  2. Step 2: Convert to fraction form
    635,608.06/877,154.27 = 349,134.15/x
  3. Step 3: Cross multiply
    635,608.06x = 877,154.27 × 349,134.15
  4. Step 4: Simplify right side
    635,608.06x = 306,244,510,475.32
  5. Step 5: Solve for x
    x = 306,244,510,475.32/635,608.06
  6. Step 6: Final answer
    x = 481,813.45

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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.