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Finding the Fourth Proportional to 655,008.72, 903,899.60 and 364,618.32

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Solution

The fourth proportional to 655,008.72, 903,899.60 and 364,618.32 is: 503,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,008.72 : 903,899.60 = 364,618.32 : x
  2. Step 2: Convert to fraction form
    655,008.72/903,899.60 = 364,618.32/x
  3. Step 3: Cross multiply
    655,008.72x = 903,899.60 × 364,618.32
  4. Step 4: Simplify right side
    655,008.72x = 329,578,353,600.67
  5. Step 5: Solve for x
    x = 329,578,353,600.67/655,008.72
  6. Step 6: Final answer
    x = 503,166.36

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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.