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Finding the Fourth Proportional to 577,557.50, 866,128.88 and 222,393.02

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Solution

The fourth proportional to 577,557.50, 866,128.88 and 222,393.02 is: 333,509.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,557.50 : 866,128.88 = 222,393.02 : x
  2. Step 2: Convert to fraction form
    577,557.50/866,128.88 = 222,393.02/x
  3. Step 3: Cross multiply
    577,557.50x = 866,128.88 × 222,393.02
  4. Step 4: Simplify right side
    577,557.50x = 192,621,013,557.76
  5. Step 5: Solve for x
    x = 192,621,013,557.76/577,557.50
  6. Step 6: Final answer
    x = 333,509.68

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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.