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Finding the Fourth Proportional to 333,071.20, 498,148.80 and 297,787.60

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Solution

The fourth proportional to 333,071.20, 498,148.80 and 297,787.60 is: 445,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,071.20 : 498,148.80 = 297,787.60 : x
  2. Step 2: Convert to fraction form
    333,071.20/498,148.80 = 297,787.60/x
  3. Step 3: Cross multiply
    333,071.20x = 498,148.80 × 297,787.60
  4. Step 4: Simplify right side
    333,071.20x = 148,342,535,594.88
  5. Step 5: Solve for x
    x = 148,342,535,594.88/333,071.20
  6. Step 6: Final answer
    x = 445,377.85

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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.