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Finding the Fourth Proportional to 297,345.20, 446,017.80 and 208,698.80

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Solution

The fourth proportional to 297,345.20, 446,017.80 and 208,698.80 is: 313,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,345.20 : 446,017.80 = 208,698.80 : x
  2. Step 2: Convert to fraction form
    297,345.20/446,017.80 = 208,698.80/x
  3. Step 3: Cross multiply
    297,345.20x = 446,017.80 × 208,698.80
  4. Step 4: Simplify right side
    297,345.20x = 93,083,379,638.64
  5. Step 5: Solve for x
    x = 93,083,379,638.64/297,345.20
  6. Step 6: Final answer
    x = 313,048.20

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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.