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Finding the Fourth Proportional to 574,734.52, 793,133.66 and 320,085.70

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Solution

The fourth proportional to 574,734.52, 793,133.66 and 320,085.70 is: 441,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,734.52 : 793,133.66 = 320,085.70 : x
  2. Step 2: Convert to fraction form
    574,734.52/793,133.66 = 320,085.70/x
  3. Step 3: Cross multiply
    574,734.52x = 793,133.66 × 320,085.70
  4. Step 4: Simplify right side
    574,734.52x = 253,870,742,754.66
  5. Step 5: Solve for x
    x = 253,870,742,754.66/574,734.52
  6. Step 6: Final answer
    x = 441,718.28

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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.