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Finding the Fourth Proportional to 365,786.40, 548,679.60 and 282,842.40

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Solution

The fourth proportional to 365,786.40, 548,679.60 and 282,842.40 is: 424,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,786.40 : 548,679.60 = 282,842.40 : x
  2. Step 2: Convert to fraction form
    365,786.40/548,679.60 = 282,842.40/x
  3. Step 3: Cross multiply
    365,786.40x = 548,679.60 × 282,842.40
  4. Step 4: Simplify right side
    365,786.40x = 155,189,854,895.04
  5. Step 5: Solve for x
    x = 155,189,854,895.04/365,786.40
  6. Step 6: Final answer
    x = 424,263.60

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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.