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Finding the Fourth Proportional to 531,805.60, 796,930.80 and 452,490.40

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Solution

The fourth proportional to 531,805.60, 796,930.80 and 452,490.40 is: 678,073.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,805.60 : 796,930.80 = 452,490.40 : x
  2. Step 2: Convert to fraction form
    531,805.60/796,930.80 = 452,490.40/x
  3. Step 3: Cross multiply
    531,805.60x = 796,930.80 × 452,490.40
  4. Step 4: Simplify right side
    531,805.60x = 360,603,536,464.32
  5. Step 5: Solve for x
    x = 360,603,536,464.32/531,805.60
  6. Step 6: Final answer
    x = 678,073.97

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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.