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Finding the Fourth Proportional to 483,683.04, 720,664.52 and 456,520.50

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Solution

The fourth proportional to 483,683.04, 720,664.52 and 456,520.50 is: 680,193.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,683.04 : 720,664.52 = 456,520.50 : x
  2. Step 2: Convert to fraction form
    483,683.04/720,664.52 = 456,520.50/x
  3. Step 3: Cross multiply
    483,683.04x = 720,664.52 × 456,520.50
  4. Step 4: Simplify right side
    483,683.04x = 328,998,124,720.06
  5. Step 5: Solve for x
    x = 328,998,124,720.06/483,683.04
  6. Step 6: Final answer
    x = 680,193.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.