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Finding the Fourth Proportional to 603,751.61, 833,197.28 and 355,348.53

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Solution

The fourth proportional to 603,751.61, 833,197.28 and 355,348.53 is: 490,392.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,751.61 : 833,197.28 = 355,348.53 : x
  2. Step 2: Convert to fraction form
    603,751.61/833,197.28 = 355,348.53/x
  3. Step 3: Cross multiply
    603,751.61x = 833,197.28 × 355,348.53
  4. Step 4: Simplify right side
    603,751.61x = 296,075,426,871.26
  5. Step 5: Solve for x
    x = 296,075,426,871.26/603,751.61
  6. Step 6: Final answer
    x = 490,392.78

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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.