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Finding the Fourth Proportional to 621,469.03, 931,353.03 and 469,541.20

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Solution

The fourth proportional to 621,469.03, 931,353.03 and 469,541.20 is: 703,669.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,469.03 : 931,353.03 = 469,541.20 : x
  2. Step 2: Convert to fraction form
    621,469.03/931,353.03 = 469,541.20/x
  3. Step 3: Cross multiply
    621,469.03x = 931,353.03 × 469,541.20
  4. Step 4: Simplify right side
    621,469.03x = 437,308,619,329.84
  5. Step 5: Solve for x
    x = 437,308,619,329.84/621,469.03
  6. Step 6: Final answer
    x = 703,669.21

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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.