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Finding the Fourth Proportional to 606,905.10, 910,612.80 and 326,094.30

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Solution

The fourth proportional to 606,905.10, 910,612.80 and 326,094.30 is: 489,278.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,905.10 : 910,612.80 = 326,094.30 : x
  2. Step 2: Convert to fraction form
    606,905.10/910,612.80 = 326,094.30/x
  3. Step 3: Cross multiply
    606,905.10x = 910,612.80 × 326,094.30
  4. Step 4: Simplify right side
    606,905.10x = 296,945,643,587.04
  5. Step 5: Solve for x
    x = 296,945,643,587.04/606,905.10
  6. Step 6: Final answer
    x = 489,278.54

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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.