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Finding the Fourth Proportional to 483,176.64, 724,414.80 and 243,438.24

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Solution

The fourth proportional to 483,176.64, 724,414.80 and 243,438.24 is: 364,980.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,176.64 : 724,414.80 = 243,438.24 : x
  2. Step 2: Convert to fraction form
    483,176.64/724,414.80 = 243,438.24/x
  3. Step 3: Cross multiply
    483,176.64x = 724,414.80 × 243,438.24
  4. Step 4: Simplify right side
    483,176.64x = 176,350,263,941.95
  5. Step 5: Solve for x
    x = 176,350,263,941.95/483,176.64
  6. Step 6: Final answer
    x = 364,980.94

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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.