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Finding the Fourth Proportional to 227,030.60, 340,545.90 and 191,601.20

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Solution

The fourth proportional to 227,030.60, 340,545.90 and 191,601.20 is: 287,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,030.60 : 340,545.90 = 191,601.20 : x
  2. Step 2: Convert to fraction form
    227,030.60/340,545.90 = 191,601.20/x
  3. Step 3: Cross multiply
    227,030.60x = 340,545.90 × 191,601.20
  4. Step 4: Simplify right side
    227,030.60x = 65,249,003,095.08
  5. Step 5: Solve for x
    x = 65,249,003,095.08/227,030.60
  6. Step 6: Final answer
    x = 287,401.80

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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.