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Finding the Fourth Proportional to 585,071.04, 877,640.56 and 164,379.76

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Solution

The fourth proportional to 585,071.04, 877,640.56 and 164,379.76 is: 246,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,071.04 : 877,640.56 = 164,379.76 : x
  2. Step 2: Convert to fraction form
    585,071.04/877,640.56 = 164,379.76/x
  3. Step 3: Cross multiply
    585,071.04x = 877,640.56 × 164,379.76
  4. Step 4: Simplify right side
    585,071.04x = 144,266,344,619.07
  5. Step 5: Solve for x
    x = 144,266,344,619.07/585,071.04
  6. Step 6: Final answer
    x = 246,579.19

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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.