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Finding the Fourth Proportional to 506,639.28, 760,168.24 and 222,182.64

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Solution

The fourth proportional to 506,639.28, 760,168.24 and 222,182.64 is: 333,365.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,639.28 : 760,168.24 = 222,182.64 : x
  2. Step 2: Convert to fraction form
    506,639.28/760,168.24 = 222,182.64/x
  3. Step 3: Cross multiply
    506,639.28x = 760,168.24 × 222,182.64
  4. Step 4: Simplify right side
    506,639.28x = 168,896,186,407.35
  5. Step 5: Solve for x
    x = 168,896,186,407.35/506,639.28
  6. Step 6: Final answer
    x = 333,365.76

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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.