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Finding the Fourth Proportional to 635,336.88, 947,400.78 and 547,157.04

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Solution

The fourth proportional to 635,336.88, 947,400.78 and 547,157.04 is: 815,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,336.88 : 947,400.78 = 547,157.04 : x
  2. Step 2: Convert to fraction form
    635,336.88/947,400.78 = 547,157.04/x
  3. Step 3: Cross multiply
    635,336.88x = 947,400.78 × 547,157.04
  4. Step 4: Simplify right side
    635,336.88x = 518,377,006,478.49
  5. Step 5: Solve for x
    x = 518,377,006,478.49/635,336.88
  6. Step 6: Final answer
    x = 815,908.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.