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Finding the Fourth Proportional to 225,436.80, 337,911.12 and 146,607.60

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Solution

The fourth proportional to 225,436.80, 337,911.12 and 146,607.60 is: 219,752.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,436.80 : 337,911.12 = 146,607.60 : x
  2. Step 2: Convert to fraction form
    225,436.80/337,911.12 = 146,607.60/x
  3. Step 3: Cross multiply
    225,436.80x = 337,911.12 × 146,607.60
  4. Step 4: Simplify right side
    225,436.80x = 49,540,338,316.51
  5. Step 5: Solve for x
    x = 49,540,338,316.51/225,436.80
  6. Step 6: Final answer
    x = 219,752.67

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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.