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Finding the Fourth Proportional to 971,343.90, 1,457,015.85 and 971,343.90

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Solution

The fourth proportional to 971,343.90, 1,457,015.85 and 971,343.90 is: 1,457,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,343.90 : 1,457,015.85 = 971,343.90 : x
  2. Step 2: Convert to fraction form
    971,343.90/1,457,015.85 = 971,343.90/x
  3. Step 3: Cross multiply
    971,343.90x = 1,457,015.85 × 971,343.90
  4. Step 4: Simplify right side
    971,343.90x = 1,415,263,458,100.82
  5. Step 5: Solve for x
    x = 1,415,263,458,100.82/971,343.90
  6. Step 6: Final answer
    x = 1,457,015.85

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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.