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Finding the Fourth Proportional to 693,093.52, 956,461.57 and 387,200.56

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Solution

The fourth proportional to 693,093.52, 956,461.57 and 387,200.56 is: 534,332.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,093.52 : 956,461.57 = 387,200.56 : x
  2. Step 2: Convert to fraction form
    693,093.52/956,461.57 = 387,200.56/x
  3. Step 3: Cross multiply
    693,093.52x = 956,461.57 × 387,200.56
  4. Step 4: Simplify right side
    693,093.52x = 370,342,455,522.48
  5. Step 5: Solve for x
    x = 370,342,455,522.48/693,093.52
  6. Step 6: Final answer
    x = 534,332.59

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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.