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Finding the Fourth Proportional to 248,887.80, 373,331.70 and 210,007.80

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Solution

The fourth proportional to 248,887.80, 373,331.70 and 210,007.80 is: 315,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,887.80 : 373,331.70 = 210,007.80 : x
  2. Step 2: Convert to fraction form
    248,887.80/373,331.70 = 210,007.80/x
  3. Step 3: Cross multiply
    248,887.80x = 373,331.70 × 210,007.80
  4. Step 4: Simplify right side
    248,887.80x = 78,402,568,987.26
  5. Step 5: Solve for x
    x = 78,402,568,987.26/248,887.80
  6. Step 6: Final answer
    x = 315,011.70

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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.