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Finding the Fourth Proportional to 448,349.04, 618,714.45 and 244,408.05

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Solution

The fourth proportional to 448,349.04, 618,714.45 and 244,408.05 is: 337,279.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,349.04 : 618,714.45 = 244,408.05 : x
  2. Step 2: Convert to fraction form
    448,349.04/618,714.45 = 244,408.05/x
  3. Step 3: Cross multiply
    448,349.04x = 618,714.45 × 244,408.05
  4. Step 4: Simplify right side
    448,349.04x = 151,218,792,231.32
  5. Step 5: Solve for x
    x = 151,218,792,231.32/448,349.04
  6. Step 6: Final answer
    x = 337,279.17

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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.