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Finding the Fourth Proportional to 368,624.85, 508,440.25 and 246,055.43

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Solution

The fourth proportional to 368,624.85, 508,440.25 and 246,055.43 is: 339,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,624.85 : 508,440.25 = 246,055.43 : x
  2. Step 2: Convert to fraction form
    368,624.85/508,440.25 = 246,055.43/x
  3. Step 3: Cross multiply
    368,624.85x = 508,440.25 × 246,055.43
  4. Step 4: Simplify right side
    368,624.85x = 125,104,484,343.06
  5. Step 5: Solve for x
    x = 125,104,484,343.06/368,624.85
  6. Step 6: Final answer
    x = 339,381.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.