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Finding the Fourth Proportional to 507,571.93, 700,449.26 and 303,631.45

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Solution

The fourth proportional to 507,571.93, 700,449.26 and 303,631.45 is: 419,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,571.93 : 700,449.26 = 303,631.45 : x
  2. Step 2: Convert to fraction form
    507,571.93/700,449.26 = 303,631.45/x
  3. Step 3: Cross multiply
    507,571.93x = 700,449.26 × 303,631.45
  4. Step 4: Simplify right side
    507,571.93x = 212,678,421,195.95
  5. Step 5: Solve for x
    x = 212,678,421,195.95/507,571.93
  6. Step 6: Final answer
    x = 419,011.39

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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.