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Finding the Fourth Proportional to 528,535.80, 792,852.30 and 149,455.80

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Solution

The fourth proportional to 528,535.80, 792,852.30 and 149,455.80 is: 224,197.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,535.80 : 792,852.30 = 149,455.80 : x
  2. Step 2: Convert to fraction form
    528,535.80/792,852.30 = 149,455.80/x
  3. Step 3: Cross multiply
    528,535.80x = 792,852.30 × 149,455.80
  4. Step 4: Simplify right side
    528,535.80x = 118,496,374,778.34
  5. Step 5: Solve for x
    x = 118,496,374,778.34/528,535.80
  6. Step 6: Final answer
    x = 224,197.44

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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.