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Finding the Fourth Proportional to 506,807.45, 699,195.33 and 325,494.21

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Solution

The fourth proportional to 506,807.45, 699,195.33 and 325,494.21 is: 449,054.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,807.45 : 699,195.33 = 325,494.21 : x
  2. Step 2: Convert to fraction form
    506,807.45/699,195.33 = 325,494.21/x
  3. Step 3: Cross multiply
    506,807.45x = 699,195.33 × 325,494.21
  4. Step 4: Simplify right side
    506,807.45x = 227,584,031,574.04
  5. Step 5: Solve for x
    x = 227,584,031,574.04/506,807.45
  6. Step 6: Final answer
    x = 449,054.24

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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.