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Finding the Fourth Proportional to 350,431.71, 525,590.05 and 97,729.32

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Solution

The fourth proportional to 350,431.71, 525,590.05 and 97,729.32 is: 146,577.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,431.71 : 525,590.05 = 97,729.32 : x
  2. Step 2: Convert to fraction form
    350,431.71/525,590.05 = 97,729.32/x
  3. Step 3: Cross multiply
    350,431.71x = 525,590.05 × 97,729.32
  4. Step 4: Simplify right side
    350,431.71x = 51,365,558,185.27
  5. Step 5: Solve for x
    x = 51,365,558,185.27/350,431.71
  6. Step 6: Final answer
    x = 146,577.94

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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.