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Finding the Fourth Proportional to 294,564.60, 440,826.30 and 176,320.80

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Solution

The fourth proportional to 294,564.60, 440,826.30 and 176,320.80 is: 263,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,564.60 : 440,826.30 = 176,320.80 : x
  2. Step 2: Convert to fraction form
    294,564.60/440,826.30 = 176,320.80/x
  3. Step 3: Cross multiply
    294,564.60x = 440,826.30 × 176,320.80
  4. Step 4: Simplify right side
    294,564.60x = 77,726,845,877.04
  5. Step 5: Solve for x
    x = 77,726,845,877.04/294,564.60
  6. Step 6: Final answer
    x = 263,870.29

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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.