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Finding the Fourth Proportional to 448,930.32, 619,537 and 244,994.40

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Solution

The fourth proportional to 448,930.32, 619,537 and 244,994.40 is: 338,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,930.32 : 619,537 = 244,994.40 : x
  2. Step 2: Convert to fraction form
    448,930.32/619,537 = 244,994.40/x
  3. Step 3: Cross multiply
    448,930.32x = 619,537 × 244,994.40
  4. Step 4: Simplify right side
    448,930.32x = 151,783,095,592.80
  5. Step 5: Solve for x
    x = 151,783,095,592.80/448,930.32
  6. Step 6: Final answer
    x = 338,099.45

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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.