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Finding the Fourth Proportional to 372,544.84, 556,112.57 and 344,790.28

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Solution

The fourth proportional to 372,544.84, 556,112.57 and 344,790.28 is: 514,682.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,544.84 : 556,112.57 = 344,790.28 : x
  2. Step 2: Convert to fraction form
    372,544.84/556,112.57 = 344,790.28/x
  3. Step 3: Cross multiply
    372,544.84x = 556,112.57 × 344,790.28
  4. Step 4: Simplify right side
    372,544.84x = 191,742,208,721.82
  5. Step 5: Solve for x
    x = 191,742,208,721.82/372,544.84
  6. Step 6: Final answer
    x = 514,682.23

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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.