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Finding the Fourth Proportional to 384,533.66, 576,800.55 and 251,525.81

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Solution

The fourth proportional to 384,533.66, 576,800.55 and 251,525.81 is: 377,288.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,533.66 : 576,800.55 = 251,525.81 : x
  2. Step 2: Convert to fraction form
    384,533.66/576,800.55 = 251,525.81/x
  3. Step 3: Cross multiply
    384,533.66x = 576,800.55 × 251,525.81
  4. Step 4: Simplify right side
    384,533.66x = 145,080,225,547.20
  5. Step 5: Solve for x
    x = 145,080,225,547.20/384,533.66
  6. Step 6: Final answer
    x = 377,288.75

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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.