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Finding the Fourth Proportional to 343,000.80, 514,501.20 and 106,367.40

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Solution

The fourth proportional to 343,000.80, 514,501.20 and 106,367.40 is: 159,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,000.80 : 514,501.20 = 106,367.40 : x
  2. Step 2: Convert to fraction form
    343,000.80/514,501.20 = 106,367.40/x
  3. Step 3: Cross multiply
    343,000.80x = 514,501.20 × 106,367.40
  4. Step 4: Simplify right side
    343,000.80x = 54,726,154,940.88
  5. Step 5: Solve for x
    x = 54,726,154,940.88/343,000.80
  6. Step 6: Final answer
    x = 159,551.10

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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.