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Finding the Fourth Proportional to 302,601.60, 454,339.80 and 228,243.60

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Solution

The fourth proportional to 302,601.60, 454,339.80 and 228,243.60 is: 342,695.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,601.60 : 454,339.80 = 228,243.60 : x
  2. Step 2: Convert to fraction form
    302,601.60/454,339.80 = 228,243.60/x
  3. Step 3: Cross multiply
    302,601.60x = 454,339.80 × 228,243.60
  4. Step 4: Simplify right side
    302,601.60x = 103,700,151,575.28
  5. Step 5: Solve for x
    x = 103,700,151,575.28/302,601.60
  6. Step 6: Final answer
    x = 342,695.32

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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.