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Finding the Fourth Proportional to 292,109.98, 435,710.70 and 265,201.69

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Solution

The fourth proportional to 292,109.98, 435,710.70 and 265,201.69 is: 395,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,109.98 : 435,710.70 = 265,201.69 : x
  2. Step 2: Convert to fraction form
    292,109.98/435,710.70 = 265,201.69/x
  3. Step 3: Cross multiply
    292,109.98x = 435,710.70 × 265,201.69
  4. Step 4: Simplify right side
    292,109.98x = 115,551,213,991.08
  5. Step 5: Solve for x
    x = 115,551,213,991.08/292,109.98
  6. Step 6: Final answer
    x = 395,574.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.