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Finding the Fourth Proportional to 221,473.60, 332,210.40 and 153,822.40

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Solution

The fourth proportional to 221,473.60, 332,210.40 and 153,822.40 is: 230,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,473.60 : 332,210.40 = 153,822.40 : x
  2. Step 2: Convert to fraction form
    221,473.60/332,210.40 = 153,822.40/x
  3. Step 3: Cross multiply
    221,473.60x = 332,210.40 × 153,822.40
  4. Step 4: Simplify right side
    221,473.60x = 51,101,401,032.96
  5. Step 5: Solve for x
    x = 51,101,401,032.96/221,473.60
  6. Step 6: Final answer
    x = 230,733.60

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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.