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Finding the Fourth Proportional to 616,123.01, 850,240.37 and 344,194.80

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Solution

The fourth proportional to 616,123.01, 850,240.37 and 344,194.80 is: 474,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,123.01 : 850,240.37 = 344,194.80 : x
  2. Step 2: Convert to fraction form
    616,123.01/850,240.37 = 344,194.80/x
  3. Step 3: Cross multiply
    616,123.01x = 850,240.37 × 344,194.80
  4. Step 4: Simplify right side
    616,123.01x = 292,648,312,383.10
  5. Step 5: Solve for x
    x = 292,648,312,383.10/616,123.01
  6. Step 6: Final answer
    x = 474,983.58

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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.