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Finding the Fourth Proportional to 659,483.98, 910,087.96 and 372,997.98

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Solution

The fourth proportional to 659,483.98, 910,087.96 and 372,997.98 is: 514,737.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,483.98 : 910,087.96 = 372,997.98 : x
  2. Step 2: Convert to fraction form
    659,483.98/910,087.96 = 372,997.98/x
  3. Step 3: Cross multiply
    659,483.98x = 910,087.96 × 372,997.98
  4. Step 4: Simplify right side
    659,483.98x = 339,460,965,219.39
  5. Step 5: Solve for x
    x = 339,460,965,219.39/659,483.98
  6. Step 6: Final answer
    x = 514,737.25

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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.