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Finding the Fourth Proportional to 350,278.89, 525,492.15 and 113,603.13

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Solution

The fourth proportional to 350,278.89, 525,492.15 and 113,603.13 is: 170,428.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,278.89 : 525,492.15 = 113,603.13 : x
  2. Step 2: Convert to fraction form
    350,278.89/525,492.15 = 113,603.13/x
  3. Step 3: Cross multiply
    350,278.89x = 525,492.15 × 113,603.13
  4. Step 4: Simplify right side
    350,278.89x = 59,697,553,030.43
  5. Step 5: Solve for x
    x = 59,697,553,030.43/350,278.89
  6. Step 6: Final answer
    x = 170,428.63

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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.