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Finding the Fourth Proportional to 448,073.84, 618,341.62 and 246,869.84

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Solution

The fourth proportional to 448,073.84, 618,341.62 and 246,869.84 is: 340,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,073.84 : 618,341.62 = 246,869.84 : x
  2. Step 2: Convert to fraction form
    448,073.84/618,341.62 = 246,869.84/x
  3. Step 3: Cross multiply
    448,073.84x = 618,341.62 × 246,869.84
  4. Step 4: Simplify right side
    448,073.84x = 152,649,896,794.74
  5. Step 5: Solve for x
    x = 152,649,896,794.74/448,073.84
  6. Step 6: Final answer
    x = 340,680.23

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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.