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Finding the Fourth Proportional to 292,328.20, 403,499.10 and 171,495.64

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Solution

The fourth proportional to 292,328.20, 403,499.10 and 171,495.64 is: 236,714.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,328.20 : 403,499.10 = 171,495.64 : x
  2. Step 2: Convert to fraction form
    292,328.20/403,499.10 = 171,495.64/x
  3. Step 3: Cross multiply
    292,328.20x = 403,499.10 × 171,495.64
  4. Step 4: Simplify right side
    292,328.20x = 69,198,336,393.92
  5. Step 5: Solve for x
    x = 69,198,336,393.92/292,328.20
  6. Step 6: Final answer
    x = 236,714.54

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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.