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Finding the Fourth Proportional to 693,140.05, 955,911.54 and 577,237.24

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Solution

The fourth proportional to 693,140.05, 955,911.54 and 577,237.24 is: 796,069.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,140.05 : 955,911.54 = 577,237.24 : x
  2. Step 2: Convert to fraction form
    693,140.05/955,911.54 = 577,237.24/x
  3. Step 3: Cross multiply
    693,140.05x = 955,911.54 × 577,237.24
  4. Step 4: Simplify right side
    693,140.05x = 551,787,739,033.75
  5. Step 5: Solve for x
    x = 551,787,739,033.75/693,140.05
  6. Step 6: Final answer
    x = 796,069.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.