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Finding the Fourth Proportional to 579,804.39, 800,217.51 and 353,581.11

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Solution

The fourth proportional to 579,804.39, 800,217.51 and 353,581.11 is: 487,995.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,804.39 : 800,217.51 = 353,581.11 : x
  2. Step 2: Convert to fraction form
    579,804.39/800,217.51 = 353,581.11/x
  3. Step 3: Cross multiply
    579,804.39x = 800,217.51 × 353,581.11
  4. Step 4: Simplify right side
    579,804.39x = 282,941,795,427.24
  5. Step 5: Solve for x
    x = 282,941,795,427.24/579,804.39
  6. Step 6: Final answer
    x = 487,995.26

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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.