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Finding the Fourth Proportional to 227,030.40, 340,545.60 and 152,380.80

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Solution

The fourth proportional to 227,030.40, 340,545.60 and 152,380.80 is: 228,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,030.40 : 340,545.60 = 152,380.80 : x
  2. Step 2: Convert to fraction form
    227,030.40/340,545.60 = 152,380.80/x
  3. Step 3: Cross multiply
    227,030.40x = 340,545.60 × 152,380.80
  4. Step 4: Simplify right side
    227,030.40x = 51,892,610,964.48
  5. Step 5: Solve for x
    x = 51,892,610,964.48/227,030.40
  6. Step 6: Final answer
    x = 228,571.20

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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.