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Finding the Fourth Proportional to 651,072.80, 975,226.80 and 540,480.80

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Solution

The fourth proportional to 651,072.80, 975,226.80 and 540,480.80 is: 809,573.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,072.80 : 975,226.80 = 540,480.80 : x
  2. Step 2: Convert to fraction form
    651,072.80/975,226.80 = 540,480.80/x
  3. Step 3: Cross multiply
    651,072.80x = 975,226.80 × 540,480.80
  4. Step 4: Simplify right side
    651,072.80x = 527,091,361,045.44
  5. Step 5: Solve for x
    x = 527,091,361,045.44/651,072.80
  6. Step 6: Final answer
    x = 809,573.62

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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.