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Finding the Fourth Proportional to 384,537.09, 576,807.06 and 118,295.76

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Solution

The fourth proportional to 384,537.09, 576,807.06 and 118,295.76 is: 177,444.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,537.09 : 576,807.06 = 118,295.76 : x
  2. Step 2: Convert to fraction form
    384,537.09/576,807.06 = 118,295.76/x
  3. Step 3: Cross multiply
    384,537.09x = 576,807.06 × 118,295.76
  4. Step 4: Simplify right side
    384,537.09x = 68,233,829,536.07
  5. Step 5: Solve for x
    x = 68,233,829,536.07/384,537.09
  6. Step 6: Final answer
    x = 177,444.08

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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.