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Finding the Fourth Proportional to 448,689.89, 619,199.43 and 244,740.80

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Solution

The fourth proportional to 448,689.89, 619,199.43 and 244,740.80 is: 337,746.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,689.89 : 619,199.43 = 244,740.80 : x
  2. Step 2: Convert to fraction form
    448,689.89/619,199.43 = 244,740.80/x
  3. Step 3: Cross multiply
    448,689.89x = 619,199.43 × 244,740.80
  4. Step 4: Simplify right side
    448,689.89x = 151,543,363,857.74
  5. Step 5: Solve for x
    x = 151,543,363,857.74/448,689.89
  6. Step 6: Final answer
    x = 337,746.33

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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.