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Finding the Fourth Proportional to 365,056.40, 548,403.80 and 254,464.40

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Solution

The fourth proportional to 365,056.40, 548,403.80 and 254,464.40 is: 382,267.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,056.40 : 548,403.80 = 254,464.40 : x
  2. Step 2: Convert to fraction form
    365,056.40/548,403.80 = 254,464.40/x
  3. Step 3: Cross multiply
    365,056.40x = 548,403.80 × 254,464.40
  4. Step 4: Simplify right side
    365,056.40x = 139,549,243,924.72
  5. Step 5: Solve for x
    x = 139,549,243,924.72/365,056.40
  6. Step 6: Final answer
    x = 382,267.63

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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.