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Finding the Fourth Proportional to 702,874.40, 1,054,302.08 and 170,400

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Solution

The fourth proportional to 702,874.40, 1,054,302.08 and 170,400 is: 255,597.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,874.40 : 1,054,302.08 = 170,400 : x
  2. Step 2: Convert to fraction form
    702,874.40/1,054,302.08 = 170,400/x
  3. Step 3: Cross multiply
    702,874.40x = 1,054,302.08 × 170,400
  4. Step 4: Simplify right side
    702,874.40x = 179,653,074,432
  5. Step 5: Solve for x
    x = 179,653,074,432/702,874.40
  6. Step 6: Final answer
    x = 255,597.69

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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.