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Finding the Fourth Proportional to 350,304.64, 525,530.76 and 113,628.84

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Solution

The fourth proportional to 350,304.64, 525,530.76 and 113,628.84 is: 170,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,304.64 : 525,530.76 = 113,628.84 : x
  2. Step 2: Convert to fraction form
    350,304.64/525,530.76 = 113,628.84/x
  3. Step 3: Cross multiply
    350,304.64x = 525,530.76 × 113,628.84
  4. Step 4: Simplify right side
    350,304.64x = 59,715,450,643.12
  5. Step 5: Solve for x
    x = 59,715,450,643.12/350,304.64
  6. Step 6: Final answer
    x = 170,467.20

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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.