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Finding the Fourth Proportional to 376,071.40, 564,107.10 and 349,827.40

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Solution

The fourth proportional to 376,071.40, 564,107.10 and 349,827.40 is: 524,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,071.40 : 564,107.10 = 349,827.40 : x
  2. Step 2: Convert to fraction form
    376,071.40/564,107.10 = 349,827.40/x
  3. Step 3: Cross multiply
    376,071.40x = 564,107.10 × 349,827.40
  4. Step 4: Simplify right side
    376,071.40x = 197,340,120,114.54
  5. Step 5: Solve for x
    x = 197,340,120,114.54/376,071.40
  6. Step 6: Final answer
    x = 524,741.10

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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.