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Finding the Fourth Proportional to 590,515.80, 883,440.90 and 512,496.60

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Solution

The fourth proportional to 590,515.80, 883,440.90 and 512,496.60 is: 766,720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,515.80 : 883,440.90 = 512,496.60 : x
  2. Step 2: Convert to fraction form
    590,515.80/883,440.90 = 512,496.60/x
  3. Step 3: Cross multiply
    590,515.80x = 883,440.90 × 512,496.60
  4. Step 4: Simplify right side
    590,515.80x = 452,760,457,550.94
  5. Step 5: Solve for x
    x = 452,760,457,550.94/590,515.80
  6. Step 6: Final answer
    x = 766,720.31

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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.