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Finding the Fourth Proportional to 1,025,852, 1,415,676.36 and 573,143

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Solution

The fourth proportional to 1,025,852, 1,415,676.36 and 573,143 is: 790,937.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,852 : 1,415,676.36 = 573,143 : x
  2. Step 2: Convert to fraction form
    1,025,852/1,415,676.36 = 573,143/x
  3. Step 3: Cross multiply
    1,025,852x = 1,415,676.36 × 573,143
  4. Step 4: Simplify right side
    1,025,852x = 811,384,995,999.48
  5. Step 5: Solve for x
    x = 811,384,995,999.48/1,025,852
  6. Step 6: Final answer
    x = 790,937.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.