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Finding the Fourth Proportional to 1,294,362.02, 1,941,411.80 and 347,609.72

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Solution

The fourth proportional to 1,294,362.02, 1,941,411.80 and 347,609.72 is: 521,379.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,362.02 : 1,941,411.80 = 347,609.72 : x
  2. Step 2: Convert to fraction form
    1,294,362.02/1,941,411.80 = 347,609.72/x
  3. Step 3: Cross multiply
    1,294,362.02x = 1,941,411.80 × 347,609.72
  4. Step 4: Simplify right side
    1,294,362.02x = 674,853,603,364.66
  5. Step 5: Solve for x
    x = 674,853,603,364.66/1,294,362.02
  6. Step 6: Final answer
    x = 521,379.33

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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.