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Finding the Fourth Proportional to 349,852.80, 524,779.20 and 113,365.20

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Solution

The fourth proportional to 349,852.80, 524,779.20 and 113,365.20 is: 170,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,852.80 : 524,779.20 = 113,365.20 : x
  2. Step 2: Convert to fraction form
    349,852.80/524,779.20 = 113,365.20/x
  3. Step 3: Cross multiply
    349,852.80x = 524,779.20 × 113,365.20
  4. Step 4: Simplify right side
    349,852.80x = 59,491,698,963.84
  5. Step 5: Solve for x
    x = 59,491,698,963.84/349,852.80
  6. Step 6: Final answer
    x = 170,047.80

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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.