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Finding the Fourth Proportional to 1,050,649, 1,575,973.50 and 262,681

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Solution

The fourth proportional to 1,050,649, 1,575,973.50 and 262,681 is: 394,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,649 : 1,575,973.50 = 262,681 : x
  2. Step 2: Convert to fraction form
    1,050,649/1,575,973.50 = 262,681/x
  3. Step 3: Cross multiply
    1,050,649x = 1,575,973.50 × 262,681
  4. Step 4: Simplify right side
    1,050,649x = 413,978,294,953.50
  5. Step 5: Solve for x
    x = 413,978,294,953.50/1,050,649
  6. Step 6: Final answer
    x = 394,021.50

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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.