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Finding the Fourth Proportional to 365,315.84, 548,018.04 and 128,610.08

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Solution

The fourth proportional to 365,315.84, 548,018.04 and 128,610.08 is: 192,930.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,315.84 : 548,018.04 = 128,610.08 : x
  2. Step 2: Convert to fraction form
    365,315.84/548,018.04 = 128,610.08/x
  3. Step 3: Cross multiply
    365,315.84x = 548,018.04 × 128,610.08
  4. Step 4: Simplify right side
    365,315.84x = 70,480,643,965.84
  5. Step 5: Solve for x
    x = 70,480,643,965.84/365,315.84
  6. Step 6: Final answer
    x = 192,930.71

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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.