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Finding the Fourth Proportional to 579,820.52, 800,239.78 and 353,597.24

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Solution

The fourth proportional to 579,820.52, 800,239.78 and 353,597.24 is: 488,017.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,820.52 : 800,239.78 = 353,597.24 : x
  2. Step 2: Convert to fraction form
    579,820.52/800,239.78 = 353,597.24/x
  3. Step 3: Cross multiply
    579,820.52x = 800,239.78 × 353,597.24
  4. Step 4: Simplify right side
    579,820.52x = 282,962,577,546.21
  5. Step 5: Solve for x
    x = 282,962,577,546.21/579,820.52
  6. Step 6: Final answer
    x = 488,017.53

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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.