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Finding the Fourth Proportional to 603,714.28, 833,129.70 and 377,492.20

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Solution

The fourth proportional to 603,714.28, 833,129.70 and 377,492.20 is: 520,941.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,714.28 : 833,129.70 = 377,492.20 : x
  2. Step 2: Convert to fraction form
    603,714.28/833,129.70 = 377,492.20/x
  3. Step 3: Cross multiply
    603,714.28x = 833,129.70 × 377,492.20
  4. Step 4: Simplify right side
    603,714.28x = 314,499,963,338.34
  5. Step 5: Solve for x
    x = 314,499,963,338.34/603,714.28
  6. Step 6: Final answer
    x = 520,941.73

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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.