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Finding the Fourth Proportional to 204,897.60, 307,346.40 and 197,024.40

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Solution

The fourth proportional to 204,897.60, 307,346.40 and 197,024.40 is: 295,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,897.60 : 307,346.40 = 197,024.40 : x
  2. Step 2: Convert to fraction form
    204,897.60/307,346.40 = 197,024.40/x
  3. Step 3: Cross multiply
    204,897.60x = 307,346.40 × 197,024.40
  4. Step 4: Simplify right side
    204,897.60x = 60,554,740,052.16
  5. Step 5: Solve for x
    x = 60,554,740,052.16/204,897.60
  6. Step 6: Final answer
    x = 295,536.60

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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.