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Finding the Fourth Proportional to 888,612.84, 1,226,255.22 and 506,762.52

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Solution

The fourth proportional to 888,612.84, 1,226,255.22 and 506,762.52 is: 699,314.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,612.84 : 1,226,255.22 = 506,762.52 : x
  2. Step 2: Convert to fraction form
    888,612.84/1,226,255.22 = 506,762.52/x
  3. Step 3: Cross multiply
    888,612.84x = 1,226,255.22 × 506,762.52
  4. Step 4: Simplify right side
    888,612.84x = 621,420,185,450.35
  5. Step 5: Solve for x
    x = 621,420,185,450.35/888,612.84
  6. Step 6: Final answer
    x = 699,314.88

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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.