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Finding the Fourth Proportional to 583,410.15, 874,765.17 and 228,000.78

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Solution

The fourth proportional to 583,410.15, 874,765.17 and 228,000.78 is: 341,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,410.15 : 874,765.17 = 228,000.78 : x
  2. Step 2: Convert to fraction form
    583,410.15/874,765.17 = 228,000.78/x
  3. Step 3: Cross multiply
    583,410.15x = 874,765.17 × 228,000.78
  4. Step 4: Simplify right side
    583,410.15x = 199,447,141,076.83
  5. Step 5: Solve for x
    x = 199,447,141,076.83/583,410.15
  6. Step 6: Final answer
    x = 341,864.37

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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.