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Finding the Fourth Proportional to 647,526.80, 970,901.40 and 332,598.80

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Solution

The fourth proportional to 647,526.80, 970,901.40 and 332,598.80 is: 498,698.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,526.80 : 970,901.40 = 332,598.80 : x
  2. Step 2: Convert to fraction form
    647,526.80/970,901.40 = 332,598.80/x
  3. Step 3: Cross multiply
    647,526.80x = 970,901.40 × 332,598.80
  4. Step 4: Simplify right side
    647,526.80x = 322,920,640,558.32
  5. Step 5: Solve for x
    x = 322,920,640,558.32/647,526.80
  6. Step 6: Final answer
    x = 498,698.49

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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.