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Finding the Fourth Proportional to 358,446.80, 537,670.20 and 109,096.40

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Solution

The fourth proportional to 358,446.80, 537,670.20 and 109,096.40 is: 163,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,446.80 : 537,670.20 = 109,096.40 : x
  2. Step 2: Convert to fraction form
    358,446.80/537,670.20 = 109,096.40/x
  3. Step 3: Cross multiply
    358,446.80x = 537,670.20 × 109,096.40
  4. Step 4: Simplify right side
    358,446.80x = 58,657,883,207.28
  5. Step 5: Solve for x
    x = 58,657,883,207.28/358,446.80
  6. Step 6: Final answer
    x = 163,644.60

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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.