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Finding the Fourth Proportional to 576,359.78, 864,539.66 and 295,698.02

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Solution

The fourth proportional to 576,359.78, 864,539.66 and 295,698.02 is: 443,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,359.78 : 864,539.66 = 295,698.02 : x
  2. Step 2: Convert to fraction form
    576,359.78/864,539.66 = 295,698.02/x
  3. Step 3: Cross multiply
    576,359.78x = 864,539.66 × 295,698.02
  4. Step 4: Simplify right side
    576,359.78x = 255,642,665,673.47
  5. Step 5: Solve for x
    x = 255,642,665,673.47/576,359.78
  6. Step 6: Final answer
    x = 443,547.02

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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.