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Finding the Fourth Proportional to 372,094.86, 513,488.16 and 202,328.94

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Solution

The fourth proportional to 372,094.86, 513,488.16 and 202,328.94 is: 279,212.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,094.86 : 513,488.16 = 202,328.94 : x
  2. Step 2: Convert to fraction form
    372,094.86/513,488.16 = 202,328.94/x
  3. Step 3: Cross multiply
    372,094.86x = 513,488.16 × 202,328.94
  4. Step 4: Simplify right side
    372,094.86x = 103,893,515,115.35
  5. Step 5: Solve for x
    x = 103,893,515,115.35/372,094.86
  6. Step 6: Final answer
    x = 279,212.44

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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.