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Finding the Fourth Proportional to 341,441.76, 471,146.16 and 190,545.12

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Solution

The fourth proportional to 341,441.76, 471,146.16 and 190,545.12 is: 262,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,441.76 : 471,146.16 = 190,545.12 : x
  2. Step 2: Convert to fraction form
    341,441.76/471,146.16 = 190,545.12/x
  3. Step 3: Cross multiply
    341,441.76x = 471,146.16 × 190,545.12
  4. Step 4: Simplify right side
    341,441.76x = 89,774,601,594.74
  5. Step 5: Solve for x
    x = 89,774,601,594.74/341,441.76
  6. Step 6: Final answer
    x = 262,928.01

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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.