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Finding the Fourth Proportional to 342,907.08, 473,265.99 and 206,960.46

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Solution

The fourth proportional to 342,907.08, 473,265.99 and 206,960.46 is: 285,638.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,907.08 : 473,265.99 = 206,960.46 : x
  2. Step 2: Convert to fraction form
    342,907.08/473,265.99 = 206,960.46/x
  3. Step 3: Cross multiply
    342,907.08x = 473,265.99 × 206,960.46
  4. Step 4: Simplify right side
    342,907.08x = 97,947,346,992.76
  5. Step 5: Solve for x
    x = 97,947,346,992.76/342,907.08
  6. Step 6: Final answer
    x = 285,638.16

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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.