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Finding the Fourth Proportional to 429,838.81, 593,232.11 and 260,074.33

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Solution

The fourth proportional to 429,838.81, 593,232.11 and 260,074.33 is: 358,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,838.81 : 593,232.11 = 260,074.33 : x
  2. Step 2: Convert to fraction form
    429,838.81/593,232.11 = 260,074.33/x
  3. Step 3: Cross multiply
    429,838.81x = 593,232.11 × 260,074.33
  4. Step 4: Simplify right side
    429,838.81x = 154,284,442,242.37
  5. Step 5: Solve for x
    x = 154,284,442,242.37/429,838.81
  6. Step 6: Final answer
    x = 358,935.58

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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.