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Finding the Fourth Proportional to 365,300.64, 547,065.18 and 252,664.74

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Solution

The fourth proportional to 365,300.64, 547,065.18 and 252,664.74 is: 378,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,300.64 : 547,065.18 = 252,664.74 : x
  2. Step 2: Convert to fraction form
    365,300.64/547,065.18 = 252,664.74/x
  3. Step 3: Cross multiply
    365,300.64x = 547,065.18 × 252,664.74
  4. Step 4: Simplify right side
    365,300.64x = 138,224,081,467.75
  5. Step 5: Solve for x
    x = 138,224,081,467.75/365,300.64
  6. Step 6: Final answer
    x = 378,384.45

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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.