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Finding the Fourth Proportional to 348,889.20, 523,333.80 and 229,916.40

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Solution

The fourth proportional to 348,889.20, 523,333.80 and 229,916.40 is: 344,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,889.20 : 523,333.80 = 229,916.40 : x
  2. Step 2: Convert to fraction form
    348,889.20/523,333.80 = 229,916.40/x
  3. Step 3: Cross multiply
    348,889.20x = 523,333.80 × 229,916.40
  4. Step 4: Simplify right side
    348,889.20x = 120,323,023,294.32
  5. Step 5: Solve for x
    x = 120,323,023,294.32/348,889.20
  6. Step 6: Final answer
    x = 344,874.60

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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.