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Finding the Fourth Proportional to 279,124.77, 385,028.20 and 175,594.32

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Solution

The fourth proportional to 279,124.77, 385,028.20 and 175,594.32 is: 242,217.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,124.77 : 385,028.20 = 175,594.32 : x
  2. Step 2: Convert to fraction form
    279,124.77/385,028.20 = 175,594.32/x
  3. Step 3: Cross multiply
    279,124.77x = 385,028.20 × 175,594.32
  4. Step 4: Simplify right side
    279,124.77x = 67,608,765,483.41
  5. Step 5: Solve for x
    x = 67,608,765,483.41/279,124.77
  6. Step 6: Final answer
    x = 242,217.01

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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.