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Finding the Fourth Proportional to 476,826.32, 658,602.42 and 356,501.90

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Solution

The fourth proportional to 476,826.32, 658,602.42 and 356,501.90 is: 492,407.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,826.32 : 658,602.42 = 356,501.90 : x
  2. Step 2: Convert to fraction form
    476,826.32/658,602.42 = 356,501.90/x
  3. Step 3: Cross multiply
    476,826.32x = 658,602.42 × 356,501.90
  4. Step 4: Simplify right side
    476,826.32x = 234,793,014,074.60
  5. Step 5: Solve for x
    x = 234,793,014,074.60/476,826.32
  6. Step 6: Final answer
    x = 492,407.83

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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.