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Finding the Fourth Proportional to 483,506.61, 724,263.18 and 283,219.77

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Solution

The fourth proportional to 483,506.61, 724,263.18 and 283,219.77 is: 424,245.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,506.61 : 724,263.18 = 283,219.77 : x
  2. Step 2: Convert to fraction form
    483,506.61/724,263.18 = 283,219.77/x
  3. Step 3: Cross multiply
    483,506.61x = 724,263.18 × 283,219.77
  4. Step 4: Simplify right side
    483,506.61x = 205,125,651,259.07
  5. Step 5: Solve for x
    x = 205,125,651,259.07/483,506.61
  6. Step 6: Final answer
    x = 424,245.81

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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.