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Finding the Fourth Proportional to 677,557.63, 935,030.87 and 371,636.50

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Solution

The fourth proportional to 677,557.63, 935,030.87 and 371,636.50 is: 512,859.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,557.63 : 935,030.87 = 371,636.50 : x
  2. Step 2: Convert to fraction form
    677,557.63/935,030.87 = 371,636.50/x
  3. Step 3: Cross multiply
    677,557.63x = 935,030.87 × 371,636.50
  4. Step 4: Simplify right side
    677,557.63x = 347,491,599,918.76
  5. Step 5: Solve for x
    x = 347,491,599,918.76/677,557.63
  6. Step 6: Final answer
    x = 512,859.11

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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.