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Finding the Fourth Proportional to 616,188.40, 850,330.36 and 344,260.04

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Solution

The fourth proportional to 616,188.40, 850,330.36 and 344,260.04 is: 475,073.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,188.40 : 850,330.36 = 344,260.04 : x
  2. Step 2: Convert to fraction form
    616,188.40/850,330.36 = 344,260.04/x
  3. Step 3: Cross multiply
    616,188.40x = 850,330.36 × 344,260.04
  4. Step 4: Simplify right side
    616,188.40x = 292,734,763,746.81
  5. Step 5: Solve for x
    x = 292,734,763,746.81/616,188.40
  6. Step 6: Final answer
    x = 475,073.47

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Why These Related Problems?

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