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Finding the Fourth Proportional to 248,762.48, 343,506.84 and 213,303.92

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Solution

The fourth proportional to 248,762.48, 343,506.84 and 213,303.92 is: 294,543.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,762.48 : 343,506.84 = 213,303.92 : x
  2. Step 2: Convert to fraction form
    248,762.48/343,506.84 = 213,303.92/x
  3. Step 3: Cross multiply
    248,762.48x = 343,506.84 × 213,303.92
  4. Step 4: Simplify right side
    248,762.48x = 73,271,355,518.81
  5. Step 5: Solve for x
    x = 73,271,355,518.81/248,762.48
  6. Step 6: Final answer
    x = 294,543.44

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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.