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Finding the Fourth Proportional to 451,632.92, 623,262 and 247,670.92

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Solution

The fourth proportional to 451,632.92, 623,262 and 247,670.92 is: 341,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,632.92 : 623,262 = 247,670.92 : x
  2. Step 2: Convert to fraction form
    451,632.92/623,262 = 247,670.92/x
  3. Step 3: Cross multiply
    451,632.92x = 623,262 × 247,670.92
  4. Step 4: Simplify right side
    451,632.92x = 154,363,872,941.04
  5. Step 5: Solve for x
    x = 154,363,872,941.04/451,632.92
  6. Step 6: Final answer
    x = 341,790.57

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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.