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Finding the Fourth Proportional to 577,998.30, 866,997.45 and 368,564.70

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Solution

The fourth proportional to 577,998.30, 866,997.45 and 368,564.70 is: 552,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,998.30 : 866,997.45 = 368,564.70 : x
  2. Step 2: Convert to fraction form
    577,998.30/866,997.45 = 368,564.70/x
  3. Step 3: Cross multiply
    577,998.30x = 866,997.45 × 368,564.70
  4. Step 4: Simplify right side
    577,998.30x = 319,544,655,060.02
  5. Step 5: Solve for x
    x = 319,544,655,060.02/577,998.30
  6. Step 6: Final answer
    x = 552,847.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.