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Finding the Fourth Proportional to 576,030.40, 863,354.40 and 295,403.20

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Solution

The fourth proportional to 576,030.40, 863,354.40 and 295,403.20 is: 442,750.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,030.40 : 863,354.40 = 295,403.20 : x
  2. Step 2: Convert to fraction form
    576,030.40/863,354.40 = 295,403.20/x
  3. Step 3: Cross multiply
    576,030.40x = 863,354.40 × 295,403.20
  4. Step 4: Simplify right side
    576,030.40x = 255,037,652,494.08
  5. Step 5: Solve for x
    x = 255,037,652,494.08/576,030.40
  6. Step 6: Final answer
    x = 442,750.33

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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.