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Finding the Fourth Proportional to 415,855.01, 573,888.24 and 234,531.45

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Solution

The fourth proportional to 415,855.01, 573,888.24 and 234,531.45 is: 323,658.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,855.01 : 573,888.24 = 234,531.45 : x
  2. Step 2: Convert to fraction form
    415,855.01/573,888.24 = 234,531.45/x
  3. Step 3: Cross multiply
    415,855.01x = 573,888.24 × 234,531.45
  4. Step 4: Simplify right side
    415,855.01x = 134,594,841,065.15
  5. Step 5: Solve for x
    x = 134,594,841,065.15/415,855.01
  6. Step 6: Final answer
    x = 323,658.09

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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.