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Finding the Fourth Proportional to 474,492.80, 654,808.26 and 259,636.46

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Solution

The fourth proportional to 474,492.80, 654,808.26 and 259,636.46 is: 358,302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,492.80 : 654,808.26 = 259,636.46 : x
  2. Step 2: Convert to fraction form
    474,492.80/654,808.26 = 259,636.46/x
  3. Step 3: Cross multiply
    474,492.80x = 654,808.26 × 259,636.46
  4. Step 4: Simplify right side
    474,492.80x = 170,012,096,304.76
  5. Step 5: Solve for x
    x = 170,012,096,304.76/474,492.80
  6. Step 6: Final answer
    x = 358,302.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.