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Finding the Fourth Proportional to 576,438.84, 864,699.61 and 166,091.35

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Solution

The fourth proportional to 576,438.84, 864,699.61 and 166,091.35 is: 249,148.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,438.84 : 864,699.61 = 166,091.35 : x
  2. Step 2: Convert to fraction form
    576,438.84/864,699.61 = 166,091.35/x
  3. Step 3: Cross multiply
    576,438.84x = 864,699.61 × 166,091.35
  4. Step 4: Simplify right side
    576,438.84x = 143,619,125,569.37
  5. Step 5: Solve for x
    x = 143,619,125,569.37/576,438.84
  6. Step 6: Final answer
    x = 249,148.94

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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.