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Finding the Fourth Proportional to 364,039.21, 546,021.91 and 97,765.13

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Solution

The fourth proportional to 364,039.21, 546,021.91 and 97,765.13 is: 146,637.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,039.21 : 546,021.91 = 97,765.13 : x
  2. Step 2: Convert to fraction form
    364,039.21/546,021.91 = 97,765.13/x
  3. Step 3: Cross multiply
    364,039.21x = 546,021.91 × 97,765.13
  4. Step 4: Simplify right side
    364,039.21x = 53,381,901,429.89
  5. Step 5: Solve for x
    x = 53,381,901,429.89/364,039.21
  6. Step 6: Final answer
    x = 146,637.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.