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Finding the Fourth Proportional to 403,596.78, 556,963.65 and 233,929.32

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Solution

The fourth proportional to 403,596.78, 556,963.65 and 233,929.32 is: 322,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,596.78 : 556,963.65 = 233,929.32 : x
  2. Step 2: Convert to fraction form
    403,596.78/556,963.65 = 233,929.32/x
  3. Step 3: Cross multiply
    403,596.78x = 556,963.65 × 233,929.32
  4. Step 4: Simplify right side
    403,596.78x = 130,290,127,909.22
  5. Step 5: Solve for x
    x = 130,290,127,909.22/403,596.78
  6. Step 6: Final answer
    x = 322,822.52

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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.