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Finding the Fourth Proportional to 585,751.27, 877,623.91 and 319,698.46

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Solution

The fourth proportional to 585,751.27, 877,623.91 and 319,698.46 is: 479,000.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,751.27 : 877,623.91 = 319,698.46 : x
  2. Step 2: Convert to fraction form
    585,751.27/877,623.91 = 319,698.46/x
  3. Step 3: Cross multiply
    585,751.27x = 877,623.91 × 319,698.46
  4. Step 4: Simplify right side
    585,751.27x = 280,575,012,486.18
  5. Step 5: Solve for x
    x = 280,575,012,486.18/585,751.27
  6. Step 6: Final answer
    x = 479,000.26

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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.