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Finding the Fourth Proportional to 352,402.10, 528,603.15 and 162,862.10

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Solution

The fourth proportional to 352,402.10, 528,603.15 and 162,862.10 is: 244,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,402.10 : 528,603.15 = 162,862.10 : x
  2. Step 2: Convert to fraction form
    352,402.10/528,603.15 = 162,862.10/x
  3. Step 3: Cross multiply
    352,402.10x = 528,603.15 × 162,862.10
  4. Step 4: Simplify right side
    352,402.10x = 86,089,419,075.62
  5. Step 5: Solve for x
    x = 86,089,419,075.62/352,402.10
  6. Step 6: Final answer
    x = 244,293.15

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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.