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Finding the Fourth Proportional to 623,709.69, 935,579.13 and 203,018.37

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Solution

The fourth proportional to 623,709.69, 935,579.13 and 203,018.37 is: 304,532.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,709.69 : 935,579.13 = 203,018.37 : x
  2. Step 2: Convert to fraction form
    623,709.69/935,579.13 = 203,018.37/x
  3. Step 3: Cross multiply
    623,709.69x = 935,579.13 × 203,018.37
  4. Step 4: Simplify right side
    623,709.69x = 189,939,749,978.62
  5. Step 5: Solve for x
    x = 189,939,749,978.62/623,709.69
  6. Step 6: Final answer
    x = 304,532.31

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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.