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Finding the Fourth Proportional to 484,012.40, 726,796.20 and 365,817.20

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Solution

The fourth proportional to 484,012.40, 726,796.20 and 365,817.20 is: 549,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,012.40 : 726,796.20 = 365,817.20 : x
  2. Step 2: Convert to fraction form
    484,012.40/726,796.20 = 365,817.20/x
  3. Step 3: Cross multiply
    484,012.40x = 726,796.20 × 365,817.20
  4. Step 4: Simplify right side
    484,012.40x = 265,874,550,854.64
  5. Step 5: Solve for x
    x = 265,874,550,854.64/484,012.40
  6. Step 6: Final answer
    x = 549,313.51

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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.