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Finding the Fourth Proportional to 651,079.80, 975,237.30 and 540,487.80

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Solution

The fourth proportional to 651,079.80, 975,237.30 and 540,487.80 is: 809,584.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,079.80 : 975,237.30 = 540,487.80 : x
  2. Step 2: Convert to fraction form
    651,079.80/975,237.30 = 540,487.80/x
  3. Step 3: Cross multiply
    651,079.80x = 975,237.30 × 540,487.80
  4. Step 4: Simplify right side
    651,079.80x = 527,103,862,754.94
  5. Step 5: Solve for x
    x = 527,103,862,754.94/651,079.80
  6. Step 6: Final answer
    x = 809,584.11

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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.