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Finding the Fourth Proportional to 403,360.30, 605,623.65 and 304,216.30

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Solution

The fourth proportional to 403,360.30, 605,623.65 and 304,216.30 is: 456,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,360.30 : 605,623.65 = 304,216.30 : x
  2. Step 2: Convert to fraction form
    403,360.30/605,623.65 = 304,216.30/x
  3. Step 3: Cross multiply
    403,360.30x = 605,623.65 × 304,216.30
  4. Step 4: Simplify right side
    403,360.30x = 184,240,585,995.50
  5. Step 5: Solve for x
    x = 184,240,585,995.50/403,360.30
  6. Step 6: Final answer
    x = 456,764.30

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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.