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Finding the Fourth Proportional to 616,042.94, 850,055.21 and 344,076.12

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Solution

The fourth proportional to 616,042.94, 850,055.21 and 344,076.12 is: 474,778.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,042.94 : 850,055.21 = 344,076.12 : x
  2. Step 2: Convert to fraction form
    616,042.94/850,055.21 = 344,076.12/x
  3. Step 3: Cross multiply
    616,042.94x = 850,055.21 × 344,076.12
  4. Step 4: Simplify right side
    616,042.94x = 292,483,698,012.49
  5. Step 5: Solve for x
    x = 292,483,698,012.49/616,042.94
  6. Step 6: Final answer
    x = 474,778.11

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1.5x scale

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.