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Finding the Fourth Proportional to 573,072.40, 859,608.60 and 152,390.80

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Solution

The fourth proportional to 573,072.40, 859,608.60 and 152,390.80 is: 228,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,072.40 : 859,608.60 = 152,390.80 : x
  2. Step 2: Convert to fraction form
    573,072.40/859,608.60 = 152,390.80/x
  3. Step 3: Cross multiply
    573,072.40x = 859,608.60 × 152,390.80
  4. Step 4: Simplify right side
    573,072.40x = 130,996,442,240.88
  5. Step 5: Solve for x
    x = 130,996,442,240.88/573,072.40
  6. Step 6: Final answer
    x = 228,586.20

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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.