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Finding the Fourth Proportional to 345,819, 477,623.88 and 232,444.92

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Solution

The fourth proportional to 345,819, 477,623.88 and 232,444.92 is: 321,038.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,819 : 477,623.88 = 232,444.92 : x
  2. Step 2: Convert to fraction form
    345,819/477,623.88 = 232,444.92/x
  3. Step 3: Cross multiply
    345,819x = 477,623.88 × 232,444.92
  4. Step 4: Simplify right side
    345,819x = 111,021,244,576.69
  5. Step 5: Solve for x
    x = 111,021,244,576.69/345,819
  6. Step 6: Final answer
    x = 321,038.59

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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.