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Finding the Fourth Proportional to 551,188.92, 760,723.98 and 336,454.20

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Solution

The fourth proportional to 551,188.92, 760,723.98 and 336,454.20 is: 464,357.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,188.92 : 760,723.98 = 336,454.20 : x
  2. Step 2: Convert to fraction form
    551,188.92/760,723.98 = 336,454.20/x
  3. Step 3: Cross multiply
    551,188.92x = 760,723.98 × 336,454.20
  4. Step 4: Simplify right side
    551,188.92x = 255,948,778,111.72
  5. Step 5: Solve for x
    x = 255,948,778,111.72/551,188.92
  6. Step 6: Final answer
    x = 464,357.63

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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.