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Finding the Fourth Proportional to 542,894.34, 749,196.09 and 301,181.70

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Solution

The fourth proportional to 542,894.34, 749,196.09 and 301,181.70 is: 415,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,894.34 : 749,196.09 = 301,181.70 : x
  2. Step 2: Convert to fraction form
    542,894.34/749,196.09 = 301,181.70/x
  3. Step 3: Cross multiply
    542,894.34x = 749,196.09 × 301,181.70
  4. Step 4: Simplify right side
    542,894.34x = 225,644,152,019.55
  5. Step 5: Solve for x
    x = 225,644,152,019.55/542,894.34
  6. Step 6: Final answer
    x = 415,631.80

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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.