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Finding the Fourth Proportional to 350,681.60, 525,633.60 and 193,023.20

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Solution

The fourth proportional to 350,681.60, 525,633.60 and 193,023.20 is: 289,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,681.60 : 525,633.60 = 193,023.20 : x
  2. Step 2: Convert to fraction form
    350,681.60/525,633.60 = 193,023.20/x
  3. Step 3: Cross multiply
    350,681.60x = 525,633.60 × 193,023.20
  4. Step 4: Simplify right side
    350,681.60x = 101,459,479,499.52
  5. Step 5: Solve for x
    x = 101,459,479,499.52/350,681.60
  6. Step 6: Final answer
    x = 289,320.80

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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.