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Finding the Fourth Proportional to 593,148.08, 888,430.21 and 307,978.34

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Solution

The fourth proportional to 593,148.08, 888,430.21 and 307,978.34 is: 461,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,148.08 : 888,430.21 = 307,978.34 : x
  2. Step 2: Convert to fraction form
    593,148.08/888,430.21 = 307,978.34/x
  3. Step 3: Cross multiply
    593,148.08x = 888,430.21 × 307,978.34
  4. Step 4: Simplify right side
    593,148.08x = 273,617,256,069.56
  5. Step 5: Solve for x
    x = 273,617,256,069.56/593,148.08
  6. Step 6: Final answer
    x = 461,296.71

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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.