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Finding the Fourth Proportional to 404,220.30, 606,330.45 and 119,921.10

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Solution

The fourth proportional to 404,220.30, 606,330.45 and 119,921.10 is: 179,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,220.30 : 606,330.45 = 119,921.10 : x
  2. Step 2: Convert to fraction form
    404,220.30/606,330.45 = 119,921.10/x
  3. Step 3: Cross multiply
    404,220.30x = 606,330.45 × 119,921.10
  4. Step 4: Simplify right side
    404,220.30x = 72,711,814,527.50
  5. Step 5: Solve for x
    x = 72,711,814,527.50/404,220.30
  6. Step 6: Final answer
    x = 179,881.65

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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.