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Finding the Fourth Proportional to 406,617.01, 561,591.54 and 277,334.92

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Solution

The fourth proportional to 406,617.01, 561,591.54 and 277,334.92 is: 383,035.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,617.01 : 561,591.54 = 277,334.92 : x
  2. Step 2: Convert to fraction form
    406,617.01/561,591.54 = 277,334.92/x
  3. Step 3: Cross multiply
    406,617.01x = 561,591.54 × 277,334.92
  4. Step 4: Simplify right side
    406,617.01x = 155,748,944,818.58
  5. Step 5: Solve for x
    x = 155,748,944,818.58/406,617.01
  6. Step 6: Final answer
    x = 383,035.98

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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.