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Finding the Fourth Proportional to 474,599.74, 654,938.88 and 259,735.48

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Solution

The fourth proportional to 474,599.74, 654,938.88 and 259,735.48 is: 358,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,599.74 : 654,938.88 = 259,735.48 : x
  2. Step 2: Convert to fraction form
    474,599.74/654,938.88 = 259,735.48/x
  3. Step 3: Cross multiply
    474,599.74x = 654,938.88 × 259,735.48
  4. Step 4: Simplify right side
    474,599.74x = 170,110,864,367.46
  5. Step 5: Solve for x
    x = 170,110,864,367.46/474,599.74
  6. Step 6: Final answer
    x = 358,430.17

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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.