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Finding the Fourth Proportional to 429,427.11, 592,768.71 and 368,754.06

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Solution

The fourth proportional to 429,427.11, 592,768.71 and 368,754.06 is: 509,017.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,427.11 : 592,768.71 = 368,754.06 : x
  2. Step 2: Convert to fraction form
    429,427.11/592,768.71 = 368,754.06/x
  3. Step 3: Cross multiply
    429,427.11x = 592,768.71 × 368,754.06
  4. Step 4: Simplify right side
    429,427.11x = 218,585,868,453.46
  5. Step 5: Solve for x
    x = 218,585,868,453.46/429,427.11
  6. Step 6: Final answer
    x = 509,017.39

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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.