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Finding the Fourth Proportional to 367,038.40, 512,804 and 367,038.40

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Solution

The fourth proportional to 367,038.40, 512,804 and 367,038.40 is: 512,804

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,038.40 : 512,804 = 367,038.40 : x
  2. Step 2: Convert to fraction form
    367,038.40/512,804 = 367,038.40/x
  3. Step 3: Cross multiply
    367,038.40x = 512,804 × 367,038.40
  4. Step 4: Simplify right side
    367,038.40x = 188,218,759,673.60
  5. Step 5: Solve for x
    x = 188,218,759,673.60/367,038.40
  6. Step 6: Final answer
    x = 512,804

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.