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Finding the Fourth Proportional to 635,633.52, 877,178.34 and 349,151.10

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Solution

The fourth proportional to 635,633.52, 877,178.34 and 349,151.10 is: 481,830.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,633.52 : 877,178.34 = 349,151.10 : x
  2. Step 2: Convert to fraction form
    635,633.52/877,178.34 = 349,151.10/x
  3. Step 3: Cross multiply
    635,633.52x = 877,178.34 × 349,151.10
  4. Step 4: Simplify right side
    635,633.52x = 306,267,782,307.17
  5. Step 5: Solve for x
    x = 306,267,782,307.17/635,633.52
  6. Step 6: Final answer
    x = 481,830.76

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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.