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Finding the Fourth Proportional to 535,474.60, 804,524.10 and 402,614.35

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Solution

The fourth proportional to 535,474.60, 804,524.10 and 402,614.35 is: 604,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,474.60 : 804,524.10 = 402,614.35 : x
  2. Step 2: Convert to fraction form
    535,474.60/804,524.10 = 402,614.35/x
  3. Step 3: Cross multiply
    535,474.60x = 804,524.10 × 402,614.35
  4. Step 4: Simplify right side
    535,474.60x = 323,912,947,580.84
  5. Step 5: Solve for x
    x = 323,912,947,580.84/535,474.60
  6. Step 6: Final answer
    x = 604,908.15

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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.