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Finding the Fourth Proportional to 646,597.69, 970,342.13 and 225,873.56

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Solution

The fourth proportional to 646,597.69, 970,342.13 and 225,873.56 is: 338,966.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,597.69 : 970,342.13 = 225,873.56 : x
  2. Step 2: Convert to fraction form
    646,597.69/970,342.13 = 225,873.56/x
  3. Step 3: Cross multiply
    646,597.69x = 970,342.13 × 225,873.56
  4. Step 4: Simplify right side
    646,597.69x = 219,174,634,311.62
  5. Step 5: Solve for x
    x = 219,174,634,311.62/646,597.69
  6. Step 6: Final answer
    x = 338,966.00

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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.