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Finding the Fourth Proportional to 433,423.75, 598,124.79 and 282,520.75

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Solution

The fourth proportional to 433,423.75, 598,124.79 and 282,520.75 is: 389,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,423.75 : 598,124.79 = 282,520.75 : x
  2. Step 2: Convert to fraction form
    433,423.75/598,124.79 = 282,520.75/x
  3. Step 3: Cross multiply
    433,423.75x = 598,124.79 × 282,520.75
  4. Step 4: Simplify right side
    433,423.75x = 168,982,664,264.39
  5. Step 5: Solve for x
    x = 168,982,664,264.39/433,423.75
  6. Step 6: Final answer
    x = 389,878.64

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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.