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Finding the Fourth Proportional to 368,501.67, 552,752.55 and 102,262.28

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Solution

The fourth proportional to 368,501.67, 552,752.55 and 102,262.28 is: 153,393.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,501.67 : 552,752.55 = 102,262.28 : x
  2. Step 2: Convert to fraction form
    368,501.67/552,752.55 = 102,262.28/x
  3. Step 3: Cross multiply
    368,501.67x = 552,752.55 × 102,262.28
  4. Step 4: Simplify right side
    368,501.67x = 56,525,733,275.05
  5. Step 5: Solve for x
    x = 56,525,733,275.05/368,501.67
  6. Step 6: Final answer
    x = 153,393.42

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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.