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Finding the Fourth Proportional to 551,295.90, 760,870.77 and 336,560.85

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Solution

The fourth proportional to 551,295.90, 760,870.77 and 336,560.85 is: 464,504.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,295.90 : 760,870.77 = 336,560.85 : x
  2. Step 2: Convert to fraction form
    551,295.90/760,870.77 = 336,560.85/x
  3. Step 3: Cross multiply
    551,295.90x = 760,870.77 × 336,560.85
  4. Step 4: Simplify right side
    551,295.90x = 256,079,313,091.36
  5. Step 5: Solve for x
    x = 256,079,313,091.36/551,295.90
  6. Step 6: Final answer
    x = 464,504.29

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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.