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Finding the Fourth Proportional to 342,808.07, 473,308.92 and 213,796.94

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Solution

The fourth proportional to 342,808.07, 473,308.92 and 213,796.94 is: 295,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,808.07 : 473,308.92 = 213,796.94 : x
  2. Step 2: Convert to fraction form
    342,808.07/473,308.92 = 213,796.94/x
  3. Step 3: Cross multiply
    342,808.07x = 473,308.92 × 213,796.94
  4. Step 4: Simplify right side
    342,808.07x = 101,191,996,404.16
  5. Step 5: Solve for x
    x = 101,191,996,404.16/342,808.07
  6. Step 6: Final answer
    x = 295,185.58

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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.