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Finding the Fourth Proportional to 556,467.44, 834,273.47 and 282,688.57

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Solution

The fourth proportional to 556,467.44, 834,273.47 and 282,688.57 is: 423,815.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,467.44 : 834,273.47 = 282,688.57 : x
  2. Step 2: Convert to fraction form
    556,467.44/834,273.47 = 282,688.57/x
  3. Step 3: Cross multiply
    556,467.44x = 834,273.47 × 282,688.57
  4. Step 4: Simplify right side
    556,467.44x = 235,839,572,831.35
  5. Step 5: Solve for x
    x = 235,839,572,831.35/556,467.44
  6. Step 6: Final answer
    x = 423,815.58

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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.