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Finding the Fourth Proportional to 350,038.40, 525,187.20 and 337,078.40

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Solution

The fourth proportional to 350,038.40, 525,187.20 and 337,078.40 is: 505,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,038.40 : 525,187.20 = 337,078.40 : x
  2. Step 2: Convert to fraction form
    350,038.40/525,187.20 = 337,078.40/x
  3. Step 3: Cross multiply
    350,038.40x = 525,187.20 × 337,078.40
  4. Step 4: Simplify right side
    350,038.40x = 177,029,261,076.48
  5. Step 5: Solve for x
    x = 177,029,261,076.48/350,038.40
  6. Step 6: Final answer
    x = 505,742.40

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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.