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Finding the Fourth Proportional to 970,997.80, 1,457,152.80 and 544,532.80

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Solution

The fourth proportional to 970,997.80, 1,457,152.80 and 544,532.80 is: 817,167.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,997.80 : 1,457,152.80 = 544,532.80 : x
  2. Step 2: Convert to fraction form
    970,997.80/1,457,152.80 = 544,532.80/x
  3. Step 3: Cross multiply
    970,997.80x = 1,457,152.80 × 544,532.80
  4. Step 4: Simplify right side
    970,997.80x = 793,467,494,211.84
  5. Step 5: Solve for x
    x = 793,467,494,211.84/970,997.80
  6. Step 6: Final answer
    x = 817,167.14

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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.