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Finding the Fourth Proportional to 664,127.00, 916,492.21 and 362,321.00

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Solution

The fourth proportional to 664,127.00, 916,492.21 and 362,321.00 is: 500,001.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,127.00 : 916,492.21 = 362,321.00 : x
  2. Step 2: Convert to fraction form
    664,127.00/916,492.21 = 362,321.00/x
  3. Step 3: Cross multiply
    664,127.00x = 916,492.21 × 362,321.00
  4. Step 4: Simplify right side
    664,127.00x = 332,064,368,531.15
  5. Step 5: Solve for x
    x = 332,064,368,531.15/664,127.00
  6. Step 6: Final answer
    x = 500,001.31

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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.