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Finding the Fourth Proportional to 610,349.50, 842,292.44 and 338,428.86

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Solution

The fourth proportional to 610,349.50, 842,292.44 and 338,428.86 is: 467,037.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,349.50 : 842,292.44 = 338,428.86 : x
  2. Step 2: Convert to fraction form
    610,349.50/842,292.44 = 338,428.86/x
  3. Step 3: Cross multiply
    610,349.50x = 842,292.44 × 338,428.86
  4. Step 4: Simplify right side
    610,349.50x = 285,056,070,255.82
  5. Step 5: Solve for x
    x = 285,056,070,255.82/610,349.50
  6. Step 6: Final answer
    x = 467,037.44

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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.