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Finding the Fourth Proportional to 535,477.10, 804,527.85 and 402,616.85

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Solution

The fourth proportional to 535,477.10, 804,527.85 and 402,616.85 is: 604,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,477.10 : 804,527.85 = 402,616.85 : x
  2. Step 2: Convert to fraction form
    535,477.10/804,527.85 = 402,616.85/x
  3. Step 3: Cross multiply
    535,477.10x = 804,527.85 × 402,616.85
  4. Step 4: Simplify right side
    535,477.10x = 323,916,468,704.27
  5. Step 5: Solve for x
    x = 323,916,468,704.27/535,477.10
  6. Step 6: Final answer
    x = 604,911.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.