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Finding the Fourth Proportional to 347,775.44, 521,693.40 and 98,459.60

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Solution

The fourth proportional to 347,775.44, 521,693.40 and 98,459.60 is: 147,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,775.44 : 521,693.40 = 98,459.60 : x
  2. Step 2: Convert to fraction form
    347,775.44/521,693.40 = 98,459.60/x
  3. Step 3: Cross multiply
    347,775.44x = 521,693.40 × 98,459.60
  4. Step 4: Simplify right side
    347,775.44x = 51,365,723,486.64
  5. Step 5: Solve for x
    x = 51,365,723,486.64/347,775.44
  6. Step 6: Final answer
    x = 147,697.96

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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.