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Finding the Fourth Proportional to 352,706.19, 528,923.89 and 150,173.89

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Solution

The fourth proportional to 352,706.19, 528,923.89 and 150,173.89 is: 225,203.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,706.19 : 528,923.89 = 150,173.89 : x
  2. Step 2: Convert to fraction form
    352,706.19/528,923.89 = 150,173.89/x
  3. Step 3: Cross multiply
    352,706.19x = 528,923.89 × 150,173.89
  4. Step 4: Simplify right side
    352,706.19x = 79,430,558,075.23
  5. Step 5: Solve for x
    x = 79,430,558,075.23/352,706.19
  6. Step 6: Final answer
    x = 225,203.19

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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.