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Finding the Fourth Proportional to 576,310.50, 794,569.21 and 472,562.45

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Solution

The fourth proportional to 576,310.50, 794,569.21 and 472,562.45 is: 651,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,310.50 : 794,569.21 = 472,562.45 : x
  2. Step 2: Convert to fraction form
    576,310.50/794,569.21 = 472,562.45/x
  3. Step 3: Cross multiply
    576,310.50x = 794,569.21 × 472,562.45
  4. Step 4: Simplify right side
    576,310.50x = 375,483,570,820.99
  5. Step 5: Solve for x
    x = 375,483,570,820.99/576,310.50
  6. Step 6: Final answer
    x = 651,529.98

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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.