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Finding the Fourth Proportional to 404,225.40, 606,837.30 and 254,465.40

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Solution

The fourth proportional to 404,225.40, 606,837.30 and 254,465.40 is: 382,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,225.40 : 606,837.30 = 254,465.40 : x
  2. Step 2: Convert to fraction form
    404,225.40/606,837.30 = 254,465.40/x
  3. Step 3: Cross multiply
    404,225.40x = 606,837.30 × 254,465.40
  4. Step 4: Simplify right side
    404,225.40x = 154,419,096,279.42
  5. Step 5: Solve for x
    x = 154,419,096,279.42/404,225.40
  6. Step 6: Final answer
    x = 382,012.35

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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.