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Finding the Fourth Proportional to 934,382, 1,401,807.09 and 269,534

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Solution

The fourth proportional to 934,382, 1,401,807.09 and 269,534 is: 404,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,382 : 1,401,807.09 = 269,534 : x
  2. Step 2: Convert to fraction form
    934,382/1,401,807.09 = 269,534/x
  3. Step 3: Cross multiply
    934,382x = 1,401,807.09 × 269,534
  4. Step 4: Simplify right side
    934,382x = 377,834,672,196.06
  5. Step 5: Solve for x
    x = 377,834,672,196.06/934,382
  6. Step 6: Final answer
    x = 404,368.53

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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.