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Finding the Fourth Proportional to 605,969.10, 908,370.45 and 470,958.30

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Solution

The fourth proportional to 605,969.10, 908,370.45 and 470,958.30 is: 705,984.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,969.10 : 908,370.45 = 470,958.30 : x
  2. Step 2: Convert to fraction form
    605,969.10/908,370.45 = 470,958.30/x
  3. Step 3: Cross multiply
    605,969.10x = 908,370.45 × 470,958.30
  4. Step 4: Simplify right side
    605,969.10x = 427,804,602,902.24
  5. Step 5: Solve for x
    x = 427,804,602,902.24/605,969.10
  6. Step 6: Final answer
    x = 705,984.19

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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.