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Finding the Fourth Proportional to 349,028.85, 523,413.99 and 124,329.60

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Solution

The fourth proportional to 349,028.85, 523,413.99 and 124,329.60 is: 186,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,028.85 : 523,413.99 = 124,329.60 : x
  2. Step 2: Convert to fraction form
    349,028.85/523,413.99 = 124,329.60/x
  3. Step 3: Cross multiply
    349,028.85x = 523,413.99 × 124,329.60
  4. Step 4: Simplify right side
    349,028.85x = 65,075,852,011.10
  5. Step 5: Solve for x
    x = 65,075,852,011.10/349,028.85
  6. Step 6: Final answer
    x = 186,448.35

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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.