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Finding the Fourth Proportional to 562,165.38, 843,193.40 and 309,362.76

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Solution

The fourth proportional to 562,165.38, 843,193.40 and 309,362.76 is: 464,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,165.38 : 843,193.40 = 309,362.76 : x
  2. Step 2: Convert to fraction form
    562,165.38/843,193.40 = 309,362.76/x
  3. Step 3: Cross multiply
    562,165.38x = 843,193.40 × 309,362.76
  4. Step 4: Simplify right side
    562,165.38x = 260,852,635,890.97
  5. Step 5: Solve for x
    x = 260,852,635,890.97/562,165.38
  6. Step 6: Final answer
    x = 464,014.05

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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.