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Finding the Fourth Proportional to 603,657.90, 833,043.03 and 328,013.34

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Solution

The fourth proportional to 603,657.90, 833,043.03 and 328,013.34 is: 452,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,657.90 : 833,043.03 = 328,013.34 : x
  2. Step 2: Convert to fraction form
    603,657.90/833,043.03 = 328,013.34/x
  3. Step 3: Cross multiply
    603,657.90x = 833,043.03 × 328,013.34
  4. Step 4: Simplify right side
    603,657.90x = 273,249,226,634.02
  5. Step 5: Solve for x
    x = 273,249,226,634.02/603,657.90
  6. Step 6: Final answer
    x = 452,655.76

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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.