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Finding the Fourth Proportional to 350,842.40, 526,350 and 101,549.60

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Solution

The fourth proportional to 350,842.40, 526,350 and 101,549.60 is: 152,349.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,842.40 : 526,350 = 101,549.60 : x
  2. Step 2: Convert to fraction form
    350,842.40/526,350 = 101,549.60/x
  3. Step 3: Cross multiply
    350,842.40x = 526,350 × 101,549.60
  4. Step 4: Simplify right side
    350,842.40x = 53,450,631,960
  5. Step 5: Solve for x
    x = 53,450,631,960/350,842.40
  6. Step 6: Final answer
    x = 152,349.41

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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.