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Finding the Fourth Proportional to 448,102.40, 618,374.40 and 246,905.60

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Solution

The fourth proportional to 448,102.40, 618,374.40 and 246,905.60 is: 340,725.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,102.40 : 618,374.40 = 246,905.60 : x
  2. Step 2: Convert to fraction form
    448,102.40/618,374.40 = 246,905.60/x
  3. Step 3: Cross multiply
    448,102.40x = 618,374.40 × 246,905.60
  4. Step 4: Simplify right side
    448,102.40x = 152,680,102,256.64
  5. Step 5: Solve for x
    x = 152,680,102,256.64/448,102.40
  6. Step 6: Final answer
    x = 340,725.92

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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.