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Finding the Fourth Proportional to 483,823.60, 724,860.60 and 413,839.60

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Solution

The fourth proportional to 483,823.60, 724,860.60 and 413,839.60 is: 620,011.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,823.60 : 724,860.60 = 413,839.60 : x
  2. Step 2: Convert to fraction form
    483,823.60/724,860.60 = 413,839.60/x
  3. Step 3: Cross multiply
    483,823.60x = 724,860.60 × 413,839.60
  4. Step 4: Simplify right side
    483,823.60x = 299,976,020,759.76
  5. Step 5: Solve for x
    x = 299,976,020,759.76/483,823.60
  6. Step 6: Final answer
    x = 620,011.14

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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.