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Finding the Fourth Proportional to 202,904.30, 304,356.45 and 197,720.30

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Solution

The fourth proportional to 202,904.30, 304,356.45 and 197,720.30 is: 296,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,904.30 : 304,356.45 = 197,720.30 : x
  2. Step 2: Convert to fraction form
    202,904.30/304,356.45 = 197,720.30/x
  3. Step 3: Cross multiply
    202,904.30x = 304,356.45 × 197,720.30
  4. Step 4: Simplify right side
    202,904.30x = 60,177,448,600.94
  5. Step 5: Solve for x
    x = 60,177,448,600.94/202,904.30
  6. Step 6: Final answer
    x = 296,580.45

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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.