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Finding the Fourth Proportional to 635,626.49, 877,169.76 and 349,152.98

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Solution

The fourth proportional to 635,626.49, 877,169.76 and 349,152.98 is: 481,833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,626.49 : 877,169.76 = 349,152.98 : x
  2. Step 2: Convert to fraction form
    635,626.49/877,169.76 = 349,152.98/x
  3. Step 3: Cross multiply
    635,626.49x = 877,169.76 × 349,152.98
  4. Step 4: Simplify right side
    635,626.49x = 306,266,435,669.89
  5. Step 5: Solve for x
    x = 306,266,435,669.89/635,626.49
  6. Step 6: Final answer
    x = 481,833.97

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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.