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Finding the Fourth Proportional to 532,845.22, 735,336.98 and 291,142.80

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Solution

The fourth proportional to 532,845.22, 735,336.98 and 291,142.80 is: 401,782.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,845.22 : 735,336.98 = 291,142.80 : x
  2. Step 2: Convert to fraction form
    532,845.22/735,336.98 = 291,142.80/x
  3. Step 3: Cross multiply
    532,845.22x = 735,336.98 × 291,142.80
  4. Step 4: Simplify right side
    532,845.22x = 214,088,067,300.74
  5. Step 5: Solve for x
    x = 214,088,067,300.74/532,845.22
  6. Step 6: Final answer
    x = 401,782.84

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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.