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Finding the Fourth Proportional to 529,574.63, 730,810.04 and 300,175.29

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Solution

The fourth proportional to 529,574.63, 730,810.04 and 300,175.29 is: 414,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,574.63 : 730,810.04 = 300,175.29 : x
  2. Step 2: Convert to fraction form
    529,574.63/730,810.04 = 300,175.29/x
  3. Step 3: Cross multiply
    529,574.63x = 730,810.04 × 300,175.29
  4. Step 4: Simplify right side
    529,574.63x = 219,371,114,191.04
  5. Step 5: Solve for x
    x = 219,371,114,191.04/529,574.63
  6. Step 6: Final answer
    x = 414,240.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.