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Finding the Fourth Proportional to 333,075.42, 499,777.05 and 155,556.66

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Solution

The fourth proportional to 333,075.42, 499,777.05 and 155,556.66 is: 233,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,075.42 : 499,777.05 = 155,556.66 : x
  2. Step 2: Convert to fraction form
    333,075.42/499,777.05 = 155,556.66/x
  3. Step 3: Cross multiply
    333,075.42x = 499,777.05 × 155,556.66
  4. Step 4: Simplify right side
    333,075.42x = 77,743,648,642.65
  5. Step 5: Solve for x
    x = 77,743,648,642.65/333,075.42
  6. Step 6: Final answer
    x = 233,411.55

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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.