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Finding the Fourth Proportional to 415,818.56, 573,826.82 and 234,531.98

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Solution

The fourth proportional to 415,818.56, 573,826.82 and 234,531.98 is: 323,652.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,818.56 : 573,826.82 = 234,531.98 : x
  2. Step 2: Convert to fraction form
    415,818.56/573,826.82 = 234,531.98/x
  3. Step 3: Cross multiply
    415,818.56x = 573,826.82 × 234,531.98
  4. Step 4: Simplify right side
    415,818.56x = 134,580,740,271.70
  5. Step 5: Solve for x
    x = 134,580,740,271.70/415,818.56
  6. Step 6: Final answer
    x = 323,652.56

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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.