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Finding the Fourth Proportional to 634,174.61, 875,196.77 and 376,204.30

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Solution

The fourth proportional to 634,174.61, 875,196.77 and 376,204.30 is: 519,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,174.61 : 875,196.77 = 376,204.30 : x
  2. Step 2: Convert to fraction form
    634,174.61/875,196.77 = 376,204.30/x
  3. Step 3: Cross multiply
    634,174.61x = 875,196.77 × 376,204.30
  4. Step 4: Simplify right side
    634,174.61x = 329,252,784,151.10
  5. Step 5: Solve for x
    x = 329,252,784,151.10/634,174.61
  6. Step 6: Final answer
    x = 519,183.17

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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.