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Finding the Fourth Proportional to 615,999.56, 850,070.36 and 344,071.27

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Solution

The fourth proportional to 615,999.56, 850,070.36 and 344,071.27 is: 474,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,999.56 : 850,070.36 = 344,071.27 : x
  2. Step 2: Convert to fraction form
    615,999.56/850,070.36 = 344,071.27/x
  3. Step 3: Cross multiply
    615,999.56x = 850,070.36 × 344,071.27
  4. Step 4: Simplify right side
    615,999.56x = 292,484,782,383.85
  5. Step 5: Solve for x
    x = 292,484,782,383.85/615,999.56
  6. Step 6: Final answer
    x = 474,813.30

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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.