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Finding the Fourth Proportional to 445,242.78, 614,434.98 and 244,038.78

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Solution

The fourth proportional to 445,242.78, 614,434.98 and 244,038.78 is: 336,773.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,242.78 : 614,434.98 = 244,038.78 : x
  2. Step 2: Convert to fraction form
    445,242.78/614,434.98 = 244,038.78/x
  3. Step 3: Cross multiply
    445,242.78x = 614,434.98 × 244,038.78
  4. Step 4: Simplify right side
    445,242.78x = 149,945,962,908.52
  5. Step 5: Solve for x
    x = 149,945,962,908.52/445,242.78
  6. Step 6: Final answer
    x = 336,773.49

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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.