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Finding the Fourth Proportional to 585,139.88, 878,409.66 and 348,593.96

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Solution

The fourth proportional to 585,139.88, 878,409.66 and 348,593.96 is: 523,307.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,139.88 : 878,409.66 = 348,593.96 : x
  2. Step 2: Convert to fraction form
    585,139.88/878,409.66 = 348,593.96/x
  3. Step 3: Cross multiply
    585,139.88x = 878,409.66 × 348,593.96
  4. Step 4: Simplify right side
    585,139.88x = 306,208,301,881.65
  5. Step 5: Solve for x
    x = 306,208,301,881.65/585,139.88
  6. Step 6: Final answer
    x = 523,307.87

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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.