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Finding the Fourth Proportional to 348,026.40, 522,039.60 and 161,402.40

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Solution

The fourth proportional to 348,026.40, 522,039.60 and 161,402.40 is: 242,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,026.40 : 522,039.60 = 161,402.40 : x
  2. Step 2: Convert to fraction form
    348,026.40/522,039.60 = 161,402.40/x
  3. Step 3: Cross multiply
    348,026.40x = 522,039.60 × 161,402.40
  4. Step 4: Simplify right side
    348,026.40x = 84,258,444,335.04
  5. Step 5: Solve for x
    x = 84,258,444,335.04/348,026.40
  6. Step 6: Final answer
    x = 242,103.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.