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Finding the Fourth Proportional to 262,462.60, 393,888.30 and 104,804.20

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Solution

The fourth proportional to 262,462.60, 393,888.30 and 104,804.20 is: 157,283.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,462.60 : 393,888.30 = 104,804.20 : x
  2. Step 2: Convert to fraction form
    262,462.60/393,888.30 = 104,804.20/x
  3. Step 3: Cross multiply
    262,462.60x = 393,888.30 × 104,804.20
  4. Step 4: Simplify right side
    262,462.60x = 41,281,148,170.86
  5. Step 5: Solve for x
    x = 41,281,148,170.86/262,462.60
  6. Step 6: Final answer
    x = 157,283.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.