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Finding the Fourth Proportional to 384,489.24, 526,741.49 and 370,113.76

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Solution

The fourth proportional to 384,489.24, 526,741.49 and 370,113.76 is: 507,047.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,489.24 : 526,741.49 = 370,113.76 : x
  2. Step 2: Convert to fraction form
    384,489.24/526,741.49 = 370,113.76/x
  3. Step 3: Cross multiply
    384,489.24x = 526,741.49 × 370,113.76
  4. Step 4: Simplify right side
    384,489.24x = 194,954,273,411.90
  5. Step 5: Solve for x
    x = 194,954,273,411.90/384,489.24
  6. Step 6: Final answer
    x = 507,047.41

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.