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Finding the Fourth Proportional to 894,906.54, 1,234,971 and 492,498.54

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Solution

The fourth proportional to 894,906.54, 1,234,971 and 492,498.54 is: 679,647.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,906.54 : 1,234,971 = 492,498.54 : x
  2. Step 2: Convert to fraction form
    894,906.54/1,234,971 = 492,498.54/x
  3. Step 3: Cross multiply
    894,906.54x = 1,234,971 × 492,498.54
  4. Step 4: Simplify right side
    894,906.54x = 608,221,414,442.34
  5. Step 5: Solve for x
    x = 608,221,414,442.34/894,906.54
  6. Step 6: Final answer
    x = 679,647.97

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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.