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Finding the Fourth Proportional to 886,502.40, 1,328,889.60 and 507,033.60

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Solution

The fourth proportional to 886,502.40, 1,328,889.60 and 507,033.60 is: 760,056.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,502.40 : 1,328,889.60 = 507,033.60 : x
  2. Step 2: Convert to fraction form
    886,502.40/1,328,889.60 = 507,033.60/x
  3. Step 3: Cross multiply
    886,502.40x = 1,328,889.60 × 507,033.60
  4. Step 4: Simplify right side
    886,502.40x = 673,791,677,890.56
  5. Step 5: Solve for x
    x = 673,791,677,890.56/886,502.40
  6. Step 6: Final answer
    x = 760,056.24

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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.