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Finding the Fourth Proportional to 507,572.93, 700,450.63 and 303,632.45

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Solution

The fourth proportional to 507,572.93, 700,450.63 and 303,632.45 is: 419,012.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,572.93 : 700,450.63 = 303,632.45 : x
  2. Step 2: Convert to fraction form
    507,572.93/700,450.63 = 303,632.45/x
  3. Step 3: Cross multiply
    507,572.93x = 700,450.63 × 303,632.45
  4. Step 4: Simplify right side
    507,572.93x = 212,679,540,890.94
  5. Step 5: Solve for x
    x = 212,679,540,890.94/507,572.93
  6. Step 6: Final answer
    x = 419,012.77

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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.