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Finding the Fourth Proportional to 677,187.51, 934,529.28 and 371,291.82

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Solution

The fourth proportional to 677,187.51, 934,529.28 and 371,291.82 is: 512,388.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,187.51 : 934,529.28 = 371,291.82 : x
  2. Step 2: Convert to fraction form
    677,187.51/934,529.28 = 371,291.82/x
  3. Step 3: Cross multiply
    677,187.51x = 934,529.28 × 371,291.82
  4. Step 4: Simplify right side
    677,187.51x = 346,983,077,214.49
  5. Step 5: Solve for x
    x = 346,983,077,214.49/677,187.51
  6. Step 6: Final answer
    x = 512,388.48

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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.