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Finding the Fourth Proportional to 692,034.22, 955,035 and 386,137.32

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Solution

The fourth proportional to 692,034.22, 955,035 and 386,137.32 is: 532,885.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,034.22 : 955,035 = 386,137.32 : x
  2. Step 2: Convert to fraction form
    692,034.22/955,035 = 386,137.32/x
  3. Step 3: Cross multiply
    692,034.22x = 955,035 × 386,137.32
  4. Step 4: Simplify right side
    692,034.22x = 368,774,655,406.20
  5. Step 5: Solve for x
    x = 368,774,655,406.20/692,034.22
  6. Step 6: Final answer
    x = 532,885.00

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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.