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Finding the Fourth Proportional to 365,054.40, 548,400.80 and 254,462.40

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Solution

The fourth proportional to 365,054.40, 548,400.80 and 254,462.40 is: 382,264.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,054.40 : 548,400.80 = 254,462.40 : x
  2. Step 2: Convert to fraction form
    365,054.40/548,400.80 = 254,462.40/x
  3. Step 3: Cross multiply
    365,054.40x = 548,400.80 × 254,462.40
  4. Step 4: Simplify right side
    365,054.40x = 139,547,383,729.92
  5. Step 5: Solve for x
    x = 139,547,383,729.92/365,054.40
  6. Step 6: Final answer
    x = 382,264.63

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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.