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Finding the Fourth Proportional to 305,632.58, 458,454.51 and 105,959.46

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Solution

The fourth proportional to 305,632.58, 458,454.51 and 105,959.46 is: 158,941.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,632.58 : 458,454.51 = 105,959.46 : x
  2. Step 2: Convert to fraction form
    305,632.58/458,454.51 = 105,959.46/x
  3. Step 3: Cross multiply
    305,632.58x = 458,454.51 × 105,959.46
  4. Step 4: Simplify right side
    305,632.58x = 48,577,592,314.16
  5. Step 5: Solve for x
    x = 48,577,592,314.16/305,632.58
  6. Step 6: Final answer
    x = 158,941.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.