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Finding the Fourth Proportional to 577,530.64, 866,443.54 and 222,449.32

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Solution

The fourth proportional to 577,530.64, 866,443.54 and 222,449.32 is: 333,730.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,530.64 : 866,443.54 = 222,449.32 : x
  2. Step 2: Convert to fraction form
    577,530.64/866,443.54 = 222,449.32/x
  3. Step 3: Cross multiply
    577,530.64x = 866,443.54 × 222,449.32
  4. Step 4: Simplify right side
    577,530.64x = 192,739,776,291.39
  5. Step 5: Solve for x
    x = 192,739,776,291.39/577,530.64
  6. Step 6: Final answer
    x = 333,730.82

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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.