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Finding the Fourth Proportional to 243,913, 367,697.80 and 227,656.48

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Solution

The fourth proportional to 243,913, 367,697.80 and 227,656.48 is: 343,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,913 : 367,697.80 = 227,656.48 : x
  2. Step 2: Convert to fraction form
    243,913/367,697.80 = 227,656.48/x
  3. Step 3: Cross multiply
    243,913x = 367,697.80 × 227,656.48
  4. Step 4: Simplify right side
    243,913x = 83,708,786,851.74
  5. Step 5: Solve for x
    x = 83,708,786,851.74/243,913
  6. Step 6: Final answer
    x = 343,191.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.