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Finding the Fourth Proportional to 316,034.70, 472,900.05 and 233,090.70

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Solution

The fourth proportional to 316,034.70, 472,900.05 and 233,090.70 is: 348,786.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,034.70 : 472,900.05 = 233,090.70 : x
  2. Step 2: Convert to fraction form
    316,034.70/472,900.05 = 233,090.70/x
  3. Step 3: Cross multiply
    316,034.70x = 472,900.05 × 233,090.70
  4. Step 4: Simplify right side
    316,034.70x = 110,228,603,684.54
  5. Step 5: Solve for x
    x = 110,228,603,684.54/316,034.70
  6. Step 6: Final answer
    x = 348,786.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.