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Finding the Fourth Proportional to 546,066.36, 753,609.42 and 331,215.48

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Solution

The fourth proportional to 546,066.36, 753,609.42 and 331,215.48 is: 457,100.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,066.36 : 753,609.42 = 331,215.48 : x
  2. Step 2: Convert to fraction form
    546,066.36/753,609.42 = 331,215.48/x
  3. Step 3: Cross multiply
    546,066.36x = 753,609.42 × 331,215.48
  4. Step 4: Simplify right side
    546,066.36x = 249,607,105,777.82
  5. Step 5: Solve for x
    x = 249,607,105,777.82/546,066.36
  6. Step 6: Final answer
    x = 457,100.32

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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.