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Finding the Fourth Proportional to 603,075.58, 832,206.50 and 331,142.18

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Solution

The fourth proportional to 603,075.58, 832,206.50 and 331,142.18 is: 456,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,075.58 : 832,206.50 = 331,142.18 : x
  2. Step 2: Convert to fraction form
    603,075.58/832,206.50 = 331,142.18/x
  3. Step 3: Cross multiply
    603,075.58x = 832,206.50 × 331,142.18
  4. Step 4: Simplify right side
    603,075.58x = 275,578,671,907.89
  5. Step 5: Solve for x
    x = 275,578,671,907.89/603,075.58
  6. Step 6: Final answer
    x = 456,955.45

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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.