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Finding the Fourth Proportional to 474,066, 654,211.08 and 259,207.74

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Solution

The fourth proportional to 474,066, 654,211.08 and 259,207.74 is: 357,706.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,066 : 654,211.08 = 259,207.74 : x
  2. Step 2: Convert to fraction form
    474,066/654,211.08 = 259,207.74/x
  3. Step 3: Cross multiply
    474,066x = 654,211.08 × 259,207.74
  4. Step 4: Simplify right side
    474,066x = 169,576,575,529.76
  5. Step 5: Solve for x
    x = 169,576,575,529.76/474,066
  6. Step 6: Final answer
    x = 357,706.68

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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.