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Finding the Fourth Proportional to 368,449.92, 552,674.88 and 102,210.48

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Solution

The fourth proportional to 368,449.92, 552,674.88 and 102,210.48 is: 153,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,449.92 : 552,674.88 = 102,210.48 : x
  2. Step 2: Convert to fraction form
    368,449.92/552,674.88 = 102,210.48/x
  3. Step 3: Cross multiply
    368,449.92x = 552,674.88 × 102,210.48
  4. Step 4: Simplify right side
    368,449.92x = 56,489,164,768.74
  5. Step 5: Solve for x
    x = 56,489,164,768.74/368,449.92
  6. Step 6: Final answer
    x = 153,315.72

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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.