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Finding the Fourth Proportional to 633,331.48, 873,964.98 and 346,796.20

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Solution

The fourth proportional to 633,331.48, 873,964.98 and 346,796.20 is: 478,560.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,331.48 : 873,964.98 = 346,796.20 : x
  2. Step 2: Convert to fraction form
    633,331.48/873,964.98 = 346,796.20/x
  3. Step 3: Cross multiply
    633,331.48x = 873,964.98 × 346,796.20
  4. Step 4: Simplify right side
    633,331.48x = 303,087,733,997.08
  5. Step 5: Solve for x
    x = 303,087,733,997.08/633,331.48
  6. Step 6: Final answer
    x = 478,560.98

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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.