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Finding the Fourth Proportional to 368,749.50, 553,339.35 and 155,504.22

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Solution

The fourth proportional to 368,749.50, 553,339.35 and 155,504.22 is: 233,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,749.50 : 553,339.35 = 155,504.22 : x
  2. Step 2: Convert to fraction form
    368,749.50/553,339.35 = 155,504.22/x
  3. Step 3: Cross multiply
    368,749.50x = 553,339.35 × 155,504.22
  4. Step 4: Simplify right side
    368,749.50x = 86,046,604,017.06
  5. Step 5: Solve for x
    x = 86,046,604,017.06/368,749.50
  6. Step 6: Final answer
    x = 233,347.04

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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.