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Finding the Fourth Proportional to 585,741.55, 878,908.08 and 265,689.46

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Solution

The fourth proportional to 585,741.55, 878,908.08 and 265,689.46 is: 398,668.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,741.55 : 878,908.08 = 265,689.46 : x
  2. Step 2: Convert to fraction form
    585,741.55/878,908.08 = 265,689.46/x
  3. Step 3: Cross multiply
    585,741.55x = 878,908.08 × 265,689.46
  4. Step 4: Simplify right side
    585,741.55x = 233,516,613,164.84
  5. Step 5: Solve for x
    x = 233,516,613,164.84/585,741.55
  6. Step 6: Final answer
    x = 398,668.34

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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.