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Finding the Fourth Proportional to 350,537.60, 525,345.60 and 310,908.80

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Solution

The fourth proportional to 350,537.60, 525,345.60 and 310,908.80 is: 465,954.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,537.60 : 525,345.60 = 310,908.80 : x
  2. Step 2: Convert to fraction form
    350,537.60/525,345.60 = 310,908.80/x
  3. Step 3: Cross multiply
    350,537.60x = 525,345.60 × 310,908.80
  4. Step 4: Simplify right side
    350,537.60x = 163,334,570,081.28
  5. Step 5: Solve for x
    x = 163,334,570,081.28/350,537.60
  6. Step 6: Final answer
    x = 465,954.49

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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.