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Finding the Fourth Proportional to 341,312.57, 471,011.54 and 190,409.57

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Solution

The fourth proportional to 341,312.57, 471,011.54 and 190,409.57 is: 262,765.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,312.57 : 471,011.54 = 190,409.57 : x
  2. Step 2: Convert to fraction form
    341,312.57/471,011.54 = 190,409.57/x
  3. Step 3: Cross multiply
    341,312.57x = 471,011.54 × 190,409.57
  4. Step 4: Simplify right side
    341,312.57x = 89,685,102,441.38
  5. Step 5: Solve for x
    x = 89,685,102,441.38/341,312.57
  6. Step 6: Final answer
    x = 262,765.31

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1.5x scale

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.