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Finding the Fourth Proportional to 230,940.40, 346,410.60 and 152,143.60

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Solution

The fourth proportional to 230,940.40, 346,410.60 and 152,143.60 is: 228,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,940.40 : 346,410.60 = 152,143.60 : x
  2. Step 2: Convert to fraction form
    230,940.40/346,410.60 = 152,143.60/x
  3. Step 3: Cross multiply
    230,940.40x = 346,410.60 × 152,143.60
  4. Step 4: Simplify right side
    230,940.40x = 52,704,155,762.16
  5. Step 5: Solve for x
    x = 52,704,155,762.16/230,940.40
  6. Step 6: Final answer
    x = 228,215.40

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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.