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Finding the Fourth Proportional to 464,139.40, 695,690.70 and 264,555.40

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Solution

The fourth proportional to 464,139.40, 695,690.70 and 264,555.40 is: 396,537.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,139.40 : 695,690.70 = 264,555.40 : x
  2. Step 2: Convert to fraction form
    464,139.40/695,690.70 = 264,555.40/x
  3. Step 3: Cross multiply
    464,139.40x = 695,690.70 × 264,555.40
  4. Step 4: Simplify right side
    464,139.40x = 184,048,731,414.78
  5. Step 5: Solve for x
    x = 184,048,731,414.78/464,139.40
  6. Step 6: Final answer
    x = 396,537.62

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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.