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Finding the Fourth Proportional to 610,753.23, 842,840.46 and 338,821.13

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Solution

The fourth proportional to 610,753.23, 842,840.46 and 338,821.13 is: 467,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,753.23 : 842,840.46 = 338,821.13 : x
  2. Step 2: Convert to fraction form
    610,753.23/842,840.46 = 338,821.13/x
  3. Step 3: Cross multiply
    610,753.23x = 842,840.46 × 338,821.13
  4. Step 4: Simplify right side
    610,753.23x = 285,572,157,066.92
  5. Step 5: Solve for x
    x = 285,572,157,066.92/610,753.23
  6. Step 6: Final answer
    x = 467,573.72

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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.