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Finding the Fourth Proportional to 546,650.78, 820,213.00 and 293,636.08

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Solution

The fourth proportional to 546,650.78, 820,213.00 and 293,636.08 is: 440,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,650.78 : 820,213.00 = 293,636.08 : x
  2. Step 2: Convert to fraction form
    546,650.78/820,213.00 = 293,636.08/x
  3. Step 3: Cross multiply
    546,650.78x = 820,213.00 × 293,636.08
  4. Step 4: Simplify right side
    546,650.78x = 240,844,127,300.42
  5. Step 5: Solve for x
    x = 240,844,127,300.42/546,650.78
  6. Step 6: Final answer
    x = 440,581.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.