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Finding the Fourth Proportional to 585,865.13, 877,999.62 and 358,240.47

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Solution

The fourth proportional to 585,865.13, 877,999.62 and 358,240.47 is: 536,872.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,865.13 : 877,999.62 = 358,240.47 : x
  2. Step 2: Convert to fraction form
    585,865.13/877,999.62 = 358,240.47/x
  3. Step 3: Cross multiply
    585,865.13x = 877,999.62 × 358,240.47
  4. Step 4: Simplify right side
    585,865.13x = 314,534,991,556.87
  5. Step 5: Solve for x
    x = 314,534,991,556.87/585,865.13
  6. Step 6: Final answer
    x = 536,872.69

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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.