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Finding the Fourth Proportional to 561,022, 841,577.01 and 187,045

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Solution

The fourth proportional to 561,022, 841,577.01 and 187,045 is: 280,582.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,022 : 841,577.01 = 187,045 : x
  2. Step 2: Convert to fraction form
    561,022/841,577.01 = 187,045/x
  3. Step 3: Cross multiply
    561,022x = 841,577.01 × 187,045
  4. Step 4: Simplify right side
    561,022x = 157,412,771,835.45
  5. Step 5: Solve for x
    x = 157,412,771,835.45/561,022
  6. Step 6: Final answer
    x = 280,582.17

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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.