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Finding the Fourth Proportional to 503,779.40, 694,033.06 and 350,554.10

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Solution

The fourth proportional to 503,779.40, 694,033.06 and 350,554.10 is: 482,941.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,779.40 : 694,033.06 = 350,554.10 : x
  2. Step 2: Convert to fraction form
    503,779.40/694,033.06 = 350,554.10/x
  3. Step 3: Cross multiply
    503,779.40x = 694,033.06 × 350,554.10
  4. Step 4: Simplify right side
    503,779.40x = 243,296,130,372.00
  5. Step 5: Solve for x
    x = 243,296,130,372.00/503,779.40
  6. Step 6: Final answer
    x = 482,941.81

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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.