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Finding the Fourth Proportional to 320,048.31, 441,675.59 and 176,817.58

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Solution

The fourth proportional to 320,048.31, 441,675.59 and 176,817.58 is: 244,013.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,048.31 : 441,675.59 = 176,817.58 : x
  2. Step 2: Convert to fraction form
    320,048.31/441,675.59 = 176,817.58/x
  3. Step 3: Cross multiply
    320,048.31x = 441,675.59 × 176,817.58
  4. Step 4: Simplify right side
    320,048.31x = 78,096,009,465.02
  5. Step 5: Solve for x
    x = 78,096,009,465.02/320,048.31
  6. Step 6: Final answer
    x = 244,013.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.