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Finding the Fourth Proportional to 677,190.52, 934,533.42 and 371,294.82

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Solution

The fourth proportional to 677,190.52, 934,533.42 and 371,294.82 is: 512,392.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,190.52 : 934,533.42 = 371,294.82 : x
  2. Step 2: Convert to fraction form
    677,190.52/934,533.42 = 371,294.82/x
  3. Step 3: Cross multiply
    677,190.52x = 934,533.42 × 371,294.82
  4. Step 4: Simplify right side
    677,190.52x = 346,987,417,962.88
  5. Step 5: Solve for x
    x = 346,987,417,962.88/677,190.52
  6. Step 6: Final answer
    x = 512,392.61

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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.