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Finding the Fourth Proportional to 294,534.60, 442,032.30 and 136,782.60

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Solution

The fourth proportional to 294,534.60, 442,032.30 and 136,782.60 is: 205,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,534.60 : 442,032.30 = 136,782.60 : x
  2. Step 2: Convert to fraction form
    294,534.60/442,032.30 = 136,782.60/x
  3. Step 3: Cross multiply
    294,534.60x = 442,032.30 × 136,782.60
  4. Step 4: Simplify right side
    294,534.60x = 60,462,327,277.98
  5. Step 5: Solve for x
    x = 60,462,327,277.98/294,534.60
  6. Step 6: Final answer
    x = 205,280.90

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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.