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Finding the Fourth Proportional to 589,076.40, 883,614.60 and 543,457.20

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Solution

The fourth proportional to 589,076.40, 883,614.60 and 543,457.20 is: 815,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,076.40 : 883,614.60 = 543,457.20 : x
  2. Step 2: Convert to fraction form
    589,076.40/883,614.60 = 543,457.20/x
  3. Step 3: Cross multiply
    589,076.40x = 883,614.60 × 543,457.20
  4. Step 4: Simplify right side
    589,076.40x = 480,206,716,395.12
  5. Step 5: Solve for x
    x = 480,206,716,395.12/589,076.40
  6. Step 6: Final answer
    x = 815,185.80

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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.