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Finding the Fourth Proportional to 523,521.60, 785,405.40 and 168,522.30

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Solution

The fourth proportional to 523,521.60, 785,405.40 and 168,522.30 is: 252,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,521.60 : 785,405.40 = 168,522.30 : x
  2. Step 2: Convert to fraction form
    523,521.60/785,405.40 = 168,522.30/x
  3. Step 3: Cross multiply
    523,521.60x = 785,405.40 × 168,522.30
  4. Step 4: Simplify right side
    523,521.60x = 132,358,324,440.42
  5. Step 5: Solve for x
    x = 132,358,324,440.42/523,521.60
  6. Step 6: Final answer
    x = 252,823.04

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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.