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Finding the Fourth Proportional to 635,951.94, 876,736.65 and 507,326.88

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Solution

The fourth proportional to 635,951.94, 876,736.65 and 507,326.88 is: 699,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,951.94 : 876,736.65 = 507,326.88 : x
  2. Step 2: Convert to fraction form
    635,951.94/876,736.65 = 507,326.88/x
  3. Step 3: Cross multiply
    635,951.94x = 876,736.65 × 507,326.88
  4. Step 4: Simplify right side
    635,951.94x = 444,792,069,226.15
  5. Step 5: Solve for x
    x = 444,792,069,226.15/635,951.94
  6. Step 6: Final answer
    x = 699,411.45

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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.