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Finding the Fourth Proportional to 404,003.70, 606,001.80 and 154,685.70

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Solution

The fourth proportional to 404,003.70, 606,001.80 and 154,685.70 is: 232,027.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,003.70 : 606,001.80 = 154,685.70 : x
  2. Step 2: Convert to fraction form
    404,003.70/606,001.80 = 154,685.70/x
  3. Step 3: Cross multiply
    404,003.70x = 606,001.80 × 154,685.70
  4. Step 4: Simplify right side
    404,003.70x = 93,739,812,634.26
  5. Step 5: Solve for x
    x = 93,739,812,634.26/404,003.70
  6. Step 6: Final answer
    x = 232,027.11

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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.