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Finding the Fourth Proportional to 573,078.40, 859,617.60 and 152,396.80

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Solution

The fourth proportional to 573,078.40, 859,617.60 and 152,396.80 is: 228,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,078.40 : 859,617.60 = 152,396.80 : x
  2. Step 2: Convert to fraction form
    573,078.40/859,617.60 = 152,396.80/x
  3. Step 3: Cross multiply
    573,078.40x = 859,617.60 × 152,396.80
  4. Step 4: Simplify right side
    573,078.40x = 131,002,971,463.68
  5. Step 5: Solve for x
    x = 131,002,971,463.68/573,078.40
  6. Step 6: Final answer
    x = 228,595.20

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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.