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Finding the Fourth Proportional to 255,580.56, 352,470.96 and 160,095.60

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Solution

The fourth proportional to 255,580.56, 352,470.96 and 160,095.60 is: 220,787.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,580.56 : 352,470.96 = 160,095.60 : x
  2. Step 2: Convert to fraction form
    255,580.56/352,470.96 = 160,095.60/x
  3. Step 3: Cross multiply
    255,580.56x = 352,470.96 × 160,095.60
  4. Step 4: Simplify right side
    255,580.56x = 56,429,049,823.78
  5. Step 5: Solve for x
    x = 56,429,049,823.78/255,580.56
  6. Step 6: Final answer
    x = 220,787.72

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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.