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Finding the Fourth Proportional to 336,331.80, 463,875.42 and 215,484.39

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Solution

The fourth proportional to 336,331.80, 463,875.42 and 215,484.39 is: 297,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,331.80 : 463,875.42 = 215,484.39 : x
  2. Step 2: Convert to fraction form
    336,331.80/463,875.42 = 215,484.39/x
  3. Step 3: Cross multiply
    336,331.80x = 463,875.42 × 215,484.39
  4. Step 4: Simplify right side
    336,331.80x = 99,957,912,722.76
  5. Step 5: Solve for x
    x = 99,957,912,722.76/336,331.80
  6. Step 6: Final answer
    x = 297,200.30

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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.