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Finding the Fourth Proportional to 474,842.76, 655,283.10 and 259,996.68

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Solution

The fourth proportional to 474,842.76, 655,283.10 and 259,996.68 is: 358,795.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,842.76 : 655,283.10 = 259,996.68 : x
  2. Step 2: Convert to fraction form
    474,842.76/655,283.10 = 259,996.68/x
  3. Step 3: Cross multiply
    474,842.76x = 655,283.10 × 259,996.68
  4. Step 4: Simplify right side
    474,842.76x = 170,371,430,460.11
  5. Step 5: Solve for x
    x = 170,371,430,460.11/474,842.76
  6. Step 6: Final answer
    x = 358,795.47

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1.5x scale

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.