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Finding the Fourth Proportional to 561,332.70, 841,999.05 and 337,383.90

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Solution

The fourth proportional to 561,332.70, 841,999.05 and 337,383.90 is: 506,075.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,332.70 : 841,999.05 = 337,383.90 : x
  2. Step 2: Convert to fraction form
    561,332.70/841,999.05 = 337,383.90/x
  3. Step 3: Cross multiply
    561,332.70x = 841,999.05 × 337,383.90
  4. Step 4: Simplify right side
    561,332.70x = 284,076,923,285.30
  5. Step 5: Solve for x
    x = 284,076,923,285.30/561,332.70
  6. Step 6: Final answer
    x = 506,075.85

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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.