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Finding the Fourth Proportional to 366,903.60, 550,355.40 and 338,035.20

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Solution

The fourth proportional to 366,903.60, 550,355.40 and 338,035.20 is: 507,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,903.60 : 550,355.40 = 338,035.20 : x
  2. Step 2: Convert to fraction form
    366,903.60/550,355.40 = 338,035.20/x
  3. Step 3: Cross multiply
    366,903.60x = 550,355.40 × 338,035.20
  4. Step 4: Simplify right side
    366,903.60x = 186,039,497,710.08
  5. Step 5: Solve for x
    x = 186,039,497,710.08/366,903.60
  6. Step 6: Final answer
    x = 507,052.80

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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.