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Finding the Fourth Proportional to 404,332.20, 606,935.70 and 254,741.40

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Solution

The fourth proportional to 404,332.20, 606,935.70 and 254,741.40 is: 382,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,332.20 : 606,935.70 = 254,741.40 : x
  2. Step 2: Convert to fraction form
    404,332.20/606,935.70 = 254,741.40/x
  3. Step 3: Cross multiply
    404,332.20x = 606,935.70 × 254,741.40
  4. Step 4: Simplify right side
    404,332.20x = 154,611,649,927.98
  5. Step 5: Solve for x
    x = 154,611,649,927.98/404,332.20
  6. Step 6: Final answer
    x = 382,387.68

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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.