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Finding the Fourth Proportional to 583,178.40, 874,841.64 and 228,146.88

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Solution

The fourth proportional to 583,178.40, 874,841.64 and 228,146.88 is: 342,249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,178.40 : 874,841.64 = 228,146.88 : x
  2. Step 2: Convert to fraction form
    583,178.40/874,841.64 = 228,146.88/x
  3. Step 3: Cross multiply
    583,178.40x = 874,841.64 × 228,146.88
  4. Step 4: Simplify right side
    583,178.40x = 199,592,390,660.08
  5. Step 5: Solve for x
    x = 199,592,390,660.08/583,178.40
  6. Step 6: Final answer
    x = 342,249.29

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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.