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Finding the Fourth Proportional to 586,297.60, 879,446.40 and 231,323.20

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Solution

The fourth proportional to 586,297.60, 879,446.40 and 231,323.20 is: 346,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,297.60 : 879,446.40 = 231,323.20 : x
  2. Step 2: Convert to fraction form
    586,297.60/879,446.40 = 231,323.20/x
  3. Step 3: Cross multiply
    586,297.60x = 879,446.40 × 231,323.20
  4. Step 4: Simplify right side
    586,297.60x = 203,436,355,476.48
  5. Step 5: Solve for x
    x = 203,436,355,476.48/586,297.60
  6. Step 6: Final answer
    x = 346,984.80

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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.