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Finding the Fourth Proportional to 230,813.60, 346,501.20 and 146,573.60

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Solution

The fourth proportional to 230,813.60, 346,501.20 and 146,573.60 is: 220,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,813.60 : 346,501.20 = 146,573.60 : x
  2. Step 2: Convert to fraction form
    230,813.60/346,501.20 = 146,573.60/x
  3. Step 3: Cross multiply
    230,813.60x = 346,501.20 × 146,573.60
  4. Step 4: Simplify right side
    230,813.60x = 50,787,928,288.32
  5. Step 5: Solve for x
    x = 50,787,928,288.32/230,813.60
  6. Step 6: Final answer
    x = 220,038.72

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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.