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Finding the Fourth Proportional to 447,024.48, 616,881.60 and 245,820.48

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Solution

The fourth proportional to 447,024.48, 616,881.60 and 245,820.48 is: 339,225.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,024.48 : 616,881.60 = 245,820.48 : x
  2. Step 2: Convert to fraction form
    447,024.48/616,881.60 = 245,820.48/x
  3. Step 3: Cross multiply
    447,024.48x = 616,881.60 × 245,820.48
  4. Step 4: Simplify right side
    447,024.48x = 151,642,131,015.17
  5. Step 5: Solve for x
    x = 151,642,131,015.17/447,024.48
  6. Step 6: Final answer
    x = 339,225.56

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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.