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Finding the Fourth Proportional to 354,256.40, 531,730.20 and 176,963.60

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Solution

The fourth proportional to 354,256.40, 531,730.20 and 176,963.60 is: 265,618.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,256.40 : 531,730.20 = 176,963.60 : x
  2. Step 2: Convert to fraction form
    354,256.40/531,730.20 = 176,963.60/x
  3. Step 3: Cross multiply
    354,256.40x = 531,730.20 × 176,963.60
  4. Step 4: Simplify right side
    354,256.40x = 94,096,890,420.72
  5. Step 5: Solve for x
    x = 94,096,890,420.72/354,256.40
  6. Step 6: Final answer
    x = 265,618.04

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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.