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Finding the Fourth Proportional to 653,555.73, 901,991.48 and 367,075.80

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Solution

The fourth proportional to 653,555.73, 901,991.48 and 367,075.80 is: 506,612.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,555.73 : 901,991.48 = 367,075.80 : x
  2. Step 2: Convert to fraction form
    653,555.73/901,991.48 = 367,075.80/x
  3. Step 3: Cross multiply
    653,555.73x = 901,991.48 × 367,075.80
  4. Step 4: Simplify right side
    653,555.73x = 331,099,244,114.18
  5. Step 5: Solve for x
    x = 331,099,244,114.18/653,555.73
  6. Step 6: Final answer
    x = 506,612.11

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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.