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Finding the Fourth Proportional to 370,005.48, 510,607.56 and 200,239.64

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Solution

The fourth proportional to 370,005.48, 510,607.56 and 200,239.64 is: 276,330.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,005.48 : 510,607.56 = 200,239.64 : x
  2. Step 2: Convert to fraction form
    370,005.48/510,607.56 = 200,239.64/x
  3. Step 3: Cross multiply
    370,005.48x = 510,607.56 × 200,239.64
  4. Step 4: Simplify right side
    370,005.48x = 102,243,873,995.68
  5. Step 5: Solve for x
    x = 102,243,873,995.68/370,005.48
  6. Step 6: Final answer
    x = 276,330.70

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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.