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Finding the Fourth Proportional to 409,325.40, 614,352.60 and 240,634.80

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Solution

The fourth proportional to 409,325.40, 614,352.60 and 240,634.80 is: 361,166.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,325.40 : 614,352.60 = 240,634.80 : x
  2. Step 2: Convert to fraction form
    409,325.40/614,352.60 = 240,634.80/x
  3. Step 3: Cross multiply
    409,325.40x = 614,352.60 × 240,634.80
  4. Step 4: Simplify right side
    409,325.40x = 147,834,615,030.48
  5. Step 5: Solve for x
    x = 147,834,615,030.48/409,325.40
  6. Step 6: Final answer
    x = 361,166.48

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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.