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Finding the Fourth Proportional to 395,452.95, 593,280.56 and 114,970.20

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Solution

The fourth proportional to 395,452.95, 593,280.56 and 114,970.20 is: 172,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,452.95 : 593,280.56 = 114,970.20 : x
  2. Step 2: Convert to fraction form
    395,452.95/593,280.56 = 114,970.20/x
  3. Step 3: Cross multiply
    395,452.95x = 593,280.56 × 114,970.20
  4. Step 4: Simplify right side
    395,452.95x = 68,209,584,639.31
  5. Step 5: Solve for x
    x = 68,209,584,639.31/395,452.95
  6. Step 6: Final answer
    x = 172,484.70

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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.