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Finding the Fourth Proportional to 461,779.61, 637,249.79 and 257,834.00

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Solution

The fourth proportional to 461,779.61, 637,249.79 and 257,834.00 is: 355,807.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,779.61 : 637,249.79 = 257,834.00 : x
  2. Step 2: Convert to fraction form
    461,779.61/637,249.79 = 257,834.00/x
  3. Step 3: Cross multiply
    461,779.61x = 637,249.79 × 257,834.00
  4. Step 4: Simplify right side
    461,779.61x = 164,304,664,592.57
  5. Step 5: Solve for x
    x = 164,304,664,592.57/461,779.61
  6. Step 6: Final answer
    x = 355,807.54

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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.