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Finding the Fourth Proportional to 402,908.60, 604,297.16 and 118,532.62

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Solution

The fourth proportional to 402,908.60, 604,297.16 and 118,532.62 is: 177,779.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,908.60 : 604,297.16 = 118,532.62 : x
  2. Step 2: Convert to fraction form
    402,908.60/604,297.16 = 118,532.62/x
  3. Step 3: Cross multiply
    402,908.60x = 604,297.16 × 118,532.62
  4. Step 4: Simplify right side
    402,908.60x = 71,628,925,633.36
  5. Step 5: Solve for x
    x = 71,628,925,633.36/402,908.60
  6. Step 6: Final answer
    x = 177,779.59

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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.