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Finding the Fourth Proportional to 482,482.40, 724,069.20 and 202,200.80

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Solution

The fourth proportional to 482,482.40, 724,069.20 and 202,200.80 is: 303,446.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,482.40 : 724,069.20 = 202,200.80 : x
  2. Step 2: Convert to fraction form
    482,482.40/724,069.20 = 202,200.80/x
  3. Step 3: Cross multiply
    482,482.40x = 724,069.20 × 202,200.80
  4. Step 4: Simplify right side
    482,482.40x = 146,407,371,495.36
  5. Step 5: Solve for x
    x = 146,407,371,495.36/482,482.40
  6. Step 6: Final answer
    x = 303,446.04

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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.