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Finding the Fourth Proportional to 507,106.50, 760,375.35 and 347,362.80

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Solution

The fourth proportional to 507,106.50, 760,375.35 and 347,362.80 is: 520,849.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,106.50 : 760,375.35 = 347,362.80 : x
  2. Step 2: Convert to fraction form
    507,106.50/760,375.35 = 347,362.80/x
  3. Step 3: Cross multiply
    507,106.50x = 760,375.35 × 347,362.80
  4. Step 4: Simplify right side
    507,106.50x = 264,126,110,626.98
  5. Step 5: Solve for x
    x = 264,126,110,626.98/507,106.50
  6. Step 6: Final answer
    x = 520,849.39

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1.5x scale

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.