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Finding the Fourth Proportional to 550,668.08, 825,827.10 and 374,308.40

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Solution

The fourth proportional to 550,668.08, 825,827.10 and 374,308.40 is: 561,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,668.08 : 825,827.10 = 374,308.40 : x
  2. Step 2: Convert to fraction form
    550,668.08/825,827.10 = 374,308.40/x
  3. Step 3: Cross multiply
    550,668.08x = 825,827.10 × 374,308.40
  4. Step 4: Simplify right side
    550,668.08x = 309,114,020,477.64
  5. Step 5: Solve for x
    x = 309,114,020,477.64/550,668.08
  6. Step 6: Final answer
    x = 561,343.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.