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Finding the Fourth Proportional to 432,506.90, 596,877.63 and 248,745.59

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Solution

The fourth proportional to 432,506.90, 596,877.63 and 248,745.59 is: 343,279.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,506.90 : 596,877.63 = 248,745.59 : x
  2. Step 2: Convert to fraction form
    432,506.90/596,877.63 = 248,745.59/x
  3. Step 3: Cross multiply
    432,506.90x = 596,877.63 × 248,745.59
  4. Step 4: Simplify right side
    432,506.90x = 148,470,678,232.15
  5. Step 5: Solve for x
    x = 148,470,678,232.15/432,506.90
  6. Step 6: Final answer
    x = 343,279.33

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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.