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Finding the Fourth Proportional to 587,177.06, 810,308.49 and 318,905.06

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Solution

The fourth proportional to 587,177.06, 810,308.49 and 318,905.06 is: 440,091.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,177.06 : 810,308.49 = 318,905.06 : x
  2. Step 2: Convert to fraction form
    587,177.06/810,308.49 = 318,905.06/x
  3. Step 3: Cross multiply
    587,177.06x = 810,308.49 × 318,905.06
  4. Step 4: Simplify right side
    587,177.06x = 258,411,477,621.96
  5. Step 5: Solve for x
    x = 258,411,477,621.96/587,177.06
  6. Step 6: Final answer
    x = 440,091.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.