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Finding the Fourth Proportional to 489,225.48, 734,070.15 and 236,364.24

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Solution

The fourth proportional to 489,225.48, 734,070.15 and 236,364.24 is: 354,658.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,225.48 : 734,070.15 = 236,364.24 : x
  2. Step 2: Convert to fraction form
    489,225.48/734,070.15 = 236,364.24/x
  3. Step 3: Cross multiply
    489,225.48x = 734,070.15 × 236,364.24
  4. Step 4: Simplify right side
    489,225.48x = 173,507,933,111.44
  5. Step 5: Solve for x
    x = 173,507,933,111.44/489,225.48
  6. Step 6: Final answer
    x = 354,658.41

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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.