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Finding the Fourth Proportional to 501,638.40, 751,891.50 and 249,099.12

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Solution

The fourth proportional to 501,638.40, 751,891.50 and 249,099.12 is: 373,367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,638.40 : 751,891.50 = 249,099.12 : x
  2. Step 2: Convert to fraction form
    501,638.40/751,891.50 = 249,099.12/x
  3. Step 3: Cross multiply
    501,638.40x = 751,891.50 × 249,099.12
  4. Step 4: Simplify right side
    501,638.40x = 187,295,510,985.48
  5. Step 5: Solve for x
    x = 187,295,510,985.48/501,638.40
  6. Step 6: Final answer
    x = 373,367.57

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1.5x scale

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.