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Finding the Fourth Proportional to 474,627.60, 654,986.34 and 259,767.54

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Solution

The fourth proportional to 474,627.60, 654,986.34 and 259,767.54 is: 358,479.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,627.60 : 654,986.34 = 259,767.54 : x
  2. Step 2: Convert to fraction form
    474,627.60/654,986.34 = 259,767.54/x
  3. Step 3: Cross multiply
    474,627.60x = 654,986.34 × 259,767.54
  4. Step 4: Simplify right side
    474,627.60x = 170,144,190,275.40
  5. Step 5: Solve for x
    x = 170,144,190,275.40/474,627.60
  6. Step 6: Final answer
    x = 358,479.34

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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.