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Finding the Fourth Proportional to 655,000.36, 903,894.10 and 364,607.32

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Solution

The fourth proportional to 655,000.36, 903,894.10 and 364,607.32 is: 503,154.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,000.36 : 903,894.10 = 364,607.32 : x
  2. Step 2: Convert to fraction form
    655,000.36/903,894.10 = 364,607.32/x
  3. Step 3: Cross multiply
    655,000.36x = 903,894.10 × 364,607.32
  4. Step 4: Simplify right side
    655,000.36x = 329,566,405,364.81
  5. Step 5: Solve for x
    x = 329,566,405,364.81/655,000.36
  6. Step 6: Final answer
    x = 503,154.54

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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.