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Finding the Fourth Proportional to 577,880.40, 866,561.40 and 222,776.40

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Solution

The fourth proportional to 577,880.40, 866,561.40 and 222,776.40 is: 334,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,880.40 : 866,561.40 = 222,776.40 : x
  2. Step 2: Convert to fraction form
    577,880.40/866,561.40 = 222,776.40/x
  3. Step 3: Cross multiply
    577,880.40x = 866,561.40 × 222,776.40
  4. Step 4: Simplify right side
    577,880.40x = 193,049,429,070.96
  5. Step 5: Solve for x
    x = 193,049,429,070.96/577,880.40
  6. Step 6: Final answer
    x = 334,064.68

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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.