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Finding the Fourth Proportional to 350,454.85, 525,674.70 and 97,728.61

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Solution

The fourth proportional to 350,454.85, 525,674.70 and 97,728.61 is: 146,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,454.85 : 525,674.70 = 97,728.61 : x
  2. Step 2: Convert to fraction form
    350,454.85/525,674.70 = 97,728.61/x
  3. Step 3: Cross multiply
    350,454.85x = 525,674.70 × 97,728.61
  4. Step 4: Simplify right side
    350,454.85x = 51,373,457,743.17
  5. Step 5: Solve for x
    x = 51,373,457,743.17/350,454.85
  6. Step 6: Final answer
    x = 146,590.80

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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.