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Finding the Fourth Proportional to 597,917.80, 897,035.10 and 260,813.80

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Solution

The fourth proportional to 597,917.80, 897,035.10 and 260,813.80 is: 391,289.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,917.80 : 897,035.10 = 260,813.80 : x
  2. Step 2: Convert to fraction form
    597,917.80/897,035.10 = 260,813.80/x
  3. Step 3: Cross multiply
    597,917.80x = 897,035.10 × 260,813.80
  4. Step 4: Simplify right side
    597,917.80x = 233,959,133,164.38
  5. Step 5: Solve for x
    x = 233,959,133,164.38/597,917.80
  6. Step 6: Final answer
    x = 391,289.79

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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.