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Finding the Fourth Proportional to 340,567.95, 469,983.90 and 197,411.04

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Solution

The fourth proportional to 340,567.95, 469,983.90 and 197,411.04 is: 272,427.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,567.95 : 469,983.90 = 197,411.04 : x
  2. Step 2: Convert to fraction form
    340,567.95/469,983.90 = 197,411.04/x
  3. Step 3: Cross multiply
    340,567.95x = 469,983.90 × 197,411.04
  4. Step 4: Simplify right side
    340,567.95x = 92,780,010,482.26
  5. Step 5: Solve for x
    x = 92,780,010,482.26/340,567.95
  6. Step 6: Final answer
    x = 272,427.31

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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.