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Finding the Fourth Proportional to 655,349.08, 904,324.12 and 364,938.72

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Solution

The fourth proportional to 655,349.08, 904,324.12 and 364,938.72 is: 503,583.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,349.08 : 904,324.12 = 364,938.72 : x
  2. Step 2: Convert to fraction form
    655,349.08/904,324.12 = 364,938.72/x
  3. Step 3: Cross multiply
    655,349.08x = 904,324.12 × 364,938.72
  4. Step 4: Simplify right side
    655,349.08x = 330,022,883,540.75
  5. Step 5: Solve for x
    x = 330,022,883,540.75/655,349.08
  6. Step 6: Final answer
    x = 503,583.35

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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.