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Finding the Fourth Proportional to 701,374.40, 1,051,370.40 and 346,443.20

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Solution

The fourth proportional to 701,374.40, 1,051,370.40 and 346,443.20 is: 519,323.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,374.40 : 1,051,370.40 = 346,443.20 : x
  2. Step 2: Convert to fraction form
    701,374.40/1,051,370.40 = 346,443.20/x
  3. Step 3: Cross multiply
    701,374.40x = 1,051,370.40 × 346,443.20
  4. Step 4: Simplify right side
    701,374.40x = 364,240,125,761.28
  5. Step 5: Solve for x
    x = 364,240,125,761.28/701,374.40
  6. Step 6: Final answer
    x = 519,323.38

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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.