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Finding the Fourth Proportional to 350,600.40, 525,989.02 and 97,880.66

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Solution

The fourth proportional to 350,600.40, 525,989.02 and 97,880.66 is: 146,845.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,600.40 : 525,989.02 = 97,880.66 : x
  2. Step 2: Convert to fraction form
    350,600.40/525,989.02 = 97,880.66/x
  3. Step 3: Cross multiply
    350,600.40x = 525,989.02 × 97,880.66
  4. Step 4: Simplify right side
    350,600.40x = 51,484,152,430.35
  5. Step 5: Solve for x
    x = 51,484,152,430.35/350,600.40
  6. Step 6: Final answer
    x = 146,845.68

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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.