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Finding the Fourth Proportional to 506,303.24, 698,696.73 and 285,522.98

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Solution

The fourth proportional to 506,303.24, 698,696.73 and 285,522.98 is: 394,020.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,303.24 : 698,696.73 = 285,522.98 : x
  2. Step 2: Convert to fraction form
    506,303.24/698,696.73 = 285,522.98/x
  3. Step 3: Cross multiply
    506,303.24x = 698,696.73 × 285,522.98
  4. Step 4: Simplify right side
    506,303.24x = 199,493,968,972.37
  5. Step 5: Solve for x
    x = 199,493,968,972.37/506,303.24
  6. Step 6: Final answer
    x = 394,020.73

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1.5x scale

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.