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Finding the Fourth Proportional to 351,477.88, 485,038.60 and 190,332.96

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Solution

The fourth proportional to 351,477.88, 485,038.60 and 190,332.96 is: 262,659.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,477.88 : 485,038.60 = 190,332.96 : x
  2. Step 2: Convert to fraction form
    351,477.88/485,038.60 = 190,332.96/x
  3. Step 3: Cross multiply
    351,477.88x = 485,038.60 × 190,332.96
  4. Step 4: Simplify right side
    351,477.88x = 92,318,832,452.26
  5. Step 5: Solve for x
    x = 92,318,832,452.26/351,477.88
  6. Step 6: Final answer
    x = 262,659.01

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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.