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Finding the Fourth Proportional to 477,633.66, 659,228.64 and 273,821.40

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Solution

The fourth proportional to 477,633.66, 659,228.64 and 273,821.40 is: 377,927.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,633.66 : 659,228.64 = 273,821.40 : x
  2. Step 2: Convert to fraction form
    477,633.66/659,228.64 = 273,821.40/x
  3. Step 3: Cross multiply
    477,633.66x = 659,228.64 × 273,821.40
  4. Step 4: Simplify right side
    477,633.66x = 180,510,909,124.90
  5. Step 5: Solve for x
    x = 180,510,909,124.90/477,633.66
  6. Step 6: Final answer
    x = 377,927.53

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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.