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Finding the Fourth Proportional to 341,752.64, 471,625.76 and 188,790.40

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Solution

The fourth proportional to 341,752.64, 471,625.76 and 188,790.40 is: 260,534.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,752.64 : 471,625.76 = 188,790.40 : x
  2. Step 2: Convert to fraction form
    341,752.64/471,625.76 = 188,790.40/x
  3. Step 3: Cross multiply
    341,752.64x = 471,625.76 × 188,790.40
  4. Step 4: Simplify right side
    341,752.64x = 89,038,415,880.70
  5. Step 5: Solve for x
    x = 89,038,415,880.70/341,752.64
  6. Step 6: Final answer
    x = 260,534.68

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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.