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Finding the Fourth Proportional to 402,750.67, 604,152.69 and 118,466.65

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Solution

The fourth proportional to 402,750.67, 604,152.69 and 118,466.65 is: 177,707.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,750.67 : 604,152.69 = 118,466.65 : x
  2. Step 2: Convert to fraction form
    402,750.67/604,152.69 = 118,466.65/x
  3. Step 3: Cross multiply
    402,750.67x = 604,152.69 × 118,466.65
  4. Step 4: Simplify right side
    402,750.67x = 71,571,945,272.79
  5. Step 5: Solve for x
    x = 71,571,945,272.79/402,750.67
  6. Step 6: Final answer
    x = 177,707.82

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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.