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Finding the Fourth Proportional to 477,829.02, 717,075.51 and 308,930.43

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Solution

The fourth proportional to 477,829.02, 717,075.51 and 308,930.43 is: 463,610.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,829.02 : 717,075.51 = 308,930.43 : x
  2. Step 2: Convert to fraction form
    477,829.02/717,075.51 = 308,930.43/x
  3. Step 3: Cross multiply
    477,829.02x = 717,075.51 × 308,930.43
  4. Step 4: Simplify right side
    477,829.02x = 221,526,446,029.41
  5. Step 5: Solve for x
    x = 221,526,446,029.41/477,829.02
  6. Step 6: Final answer
    x = 463,610.28

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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.