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Finding the Fourth Proportional to 243,075.60, 363,835.80 and 224,413.20

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Solution

The fourth proportional to 243,075.60, 363,835.80 and 224,413.20 is: 335,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,075.60 : 363,835.80 = 224,413.20 : x
  2. Step 2: Convert to fraction form
    243,075.60/363,835.80 = 224,413.20/x
  3. Step 3: Cross multiply
    243,075.60x = 363,835.80 × 224,413.20
  4. Step 4: Simplify right side
    243,075.60x = 81,649,556,152.56
  5. Step 5: Solve for x
    x = 81,649,556,152.56/243,075.60
  6. Step 6: Final answer
    x = 335,901.90

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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.