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Finding the Fourth Proportional to 445,352.80, 614,575.20 and 241,394.80

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Solution

The fourth proportional to 445,352.80, 614,575.20 and 241,394.80 is: 333,118.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,352.80 : 614,575.20 = 241,394.80 : x
  2. Step 2: Convert to fraction form
    445,352.80/614,575.20 = 241,394.80/x
  3. Step 3: Cross multiply
    445,352.80x = 614,575.20 × 241,394.80
  4. Step 4: Simplify right side
    445,352.80x = 148,355,257,488.96
  5. Step 5: Solve for x
    x = 148,355,257,488.96/445,352.80
  6. Step 6: Final answer
    x = 333,118.50

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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.