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Finding the Fourth Proportional to 604,989.60, 907,484.40 and 161,757.60

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Solution

The fourth proportional to 604,989.60, 907,484.40 and 161,757.60 is: 242,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,989.60 : 907,484.40 = 161,757.60 : x
  2. Step 2: Convert to fraction form
    604,989.60/907,484.40 = 161,757.60/x
  3. Step 3: Cross multiply
    604,989.60x = 907,484.40 × 161,757.60
  4. Step 4: Simplify right side
    604,989.60x = 146,792,498,581.44
  5. Step 5: Solve for x
    x = 146,792,498,581.44/604,989.60
  6. Step 6: Final answer
    x = 242,636.40

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Similar ratio
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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.