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Finding the Fourth Proportional to 356,804.06, 535,036.59 and 207,090.24

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Solution

The fourth proportional to 356,804.06, 535,036.59 and 207,090.24 is: 310,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,804.06 : 535,036.59 = 207,090.24 : x
  2. Step 2: Convert to fraction form
    356,804.06/535,036.59 = 207,090.24/x
  3. Step 3: Cross multiply
    356,804.06x = 535,036.59 × 207,090.24
  4. Step 4: Simplify right side
    356,804.06x = 110,800,853,825.49
  5. Step 5: Solve for x
    x = 110,800,853,825.49/356,804.06
  6. Step 6: Final answer
    x = 310,536.98

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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.