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Finding the Fourth Proportional to 288,009.70, 432,014.55 and 246,019.30

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Solution

The fourth proportional to 288,009.70, 432,014.55 and 246,019.30 is: 369,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,009.70 : 432,014.55 = 246,019.30 : x
  2. Step 2: Convert to fraction form
    288,009.70/432,014.55 = 246,019.30/x
  3. Step 3: Cross multiply
    288,009.70x = 432,014.55 × 246,019.30
  4. Step 4: Simplify right side
    288,009.70x = 106,283,917,180.82
  5. Step 5: Solve for x
    x = 106,283,917,180.82/288,009.70
  6. Step 6: Final answer
    x = 369,028.95

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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.