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Finding the Fourth Proportional to 444,895.40, 613,955.70 and 243,691.40

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Solution

The fourth proportional to 444,895.40, 613,955.70 and 243,691.40 is: 336,294.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,895.40 : 613,955.70 = 243,691.40 : x
  2. Step 2: Convert to fraction form
    444,895.40/613,955.70 = 243,691.40/x
  3. Step 3: Cross multiply
    444,895.40x = 613,955.70 × 243,691.40
  4. Step 4: Simplify right side
    444,895.40x = 149,615,724,070.98
  5. Step 5: Solve for x
    x = 149,615,724,070.98/444,895.40
  6. Step 6: Final answer
    x = 336,294.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.