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Finding the Fourth Proportional to 443,784.08, 612,351.24 and 252,801.20

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Solution

The fourth proportional to 443,784.08, 612,351.24 and 252,801.20 is: 348,825.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,784.08 : 612,351.24 = 252,801.20 : x
  2. Step 2: Convert to fraction form
    443,784.08/612,351.24 = 252,801.20/x
  3. Step 3: Cross multiply
    443,784.08x = 612,351.24 × 252,801.20
  4. Step 4: Simplify right side
    443,784.08x = 154,803,128,293.49
  5. Step 5: Solve for x
    x = 154,803,128,293.49/443,784.08
  6. Step 6: Final answer
    x = 348,825.33

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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.