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Finding the Fourth Proportional to 341,237.80, 470,941.86 and 255,047.32

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Solution

The fourth proportional to 341,237.80, 470,941.86 and 255,047.32 is: 351,990.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,237.80 : 470,941.86 = 255,047.32 : x
  2. Step 2: Convert to fraction form
    341,237.80/470,941.86 = 255,047.32/x
  3. Step 3: Cross multiply
    341,237.80x = 470,941.86 × 255,047.32
  4. Step 4: Simplify right side
    341,237.80x = 120,112,459,268.82
  5. Step 5: Solve for x
    x = 120,112,459,268.82/341,237.80
  6. Step 6: Final answer
    x = 351,990.49

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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.