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Finding the Fourth Proportional to 482,783.10, 724,433.85 and 202,328.70

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Solution

The fourth proportional to 482,783.10, 724,433.85 and 202,328.70 is: 303,601.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,783.10 : 724,433.85 = 202,328.70 : x
  2. Step 2: Convert to fraction form
    482,783.10/724,433.85 = 202,328.70/x
  3. Step 3: Cross multiply
    482,783.10x = 724,433.85 × 202,328.70
  4. Step 4: Simplify right side
    482,783.10x = 146,573,759,106.50
  5. Step 5: Solve for x
    x = 146,573,759,106.50/482,783.10
  6. Step 6: Final answer
    x = 303,601.68

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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.