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Finding the Fourth Proportional to 330,208.95, 455,736.51 and 185,024.55

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Solution

The fourth proportional to 330,208.95, 455,736.51 and 185,024.55 is: 255,360.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,208.95 : 455,736.51 = 185,024.55 : x
  2. Step 2: Convert to fraction form
    330,208.95/455,736.51 = 185,024.55/x
  3. Step 3: Cross multiply
    330,208.95x = 455,736.51 × 185,024.55
  4. Step 4: Simplify right side
    330,208.95x = 84,322,442,681.32
  5. Step 5: Solve for x
    x = 84,322,442,681.32/330,208.95
  6. Step 6: Final answer
    x = 255,360.86

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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.