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Finding the Fourth Proportional to 296,477.80, 444,414.30 and 146,487.40

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Solution

The fourth proportional to 296,477.80, 444,414.30 and 146,487.40 is: 219,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,477.80 : 444,414.30 = 146,487.40 : x
  2. Step 2: Convert to fraction form
    296,477.80/444,414.30 = 146,487.40/x
  3. Step 3: Cross multiply
    296,477.80x = 444,414.30 × 146,487.40
  4. Step 4: Simplify right side
    296,477.80x = 65,101,095,329.82
  5. Step 5: Solve for x
    x = 65,101,095,329.82/296,477.80
  6. Step 6: Final answer
    x = 219,581.69

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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.