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Finding the Fourth Proportional to 585,688.16, 878,667.56 and 248,739.80

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Solution

The fourth proportional to 585,688.16, 878,667.56 and 248,739.80 is: 373,167.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,688.16 : 878,667.56 = 248,739.80 : x
  2. Step 2: Convert to fraction form
    585,688.16/878,667.56 = 248,739.80/x
  3. Step 3: Cross multiply
    585,688.16x = 878,667.56 × 248,739.80
  4. Step 4: Simplify right side
    585,688.16x = 218,559,587,503.85
  5. Step 5: Solve for x
    x = 218,559,587,503.85/585,688.16
  6. Step 6: Final answer
    x = 373,167.16

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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.