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Finding the Fourth Proportional to 572,830.77, 859,135.44 and 544,380.63

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Solution

The fourth proportional to 572,830.77, 859,135.44 and 544,380.63 is: 816,465.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,830.77 : 859,135.44 = 544,380.63 : x
  2. Step 2: Convert to fraction form
    572,830.77/859,135.44 = 544,380.63/x
  3. Step 3: Cross multiply
    572,830.77x = 859,135.44 × 544,380.63
  4. Step 4: Simplify right side
    572,830.77x = 467,696,692,082.53
  5. Step 5: Solve for x
    x = 467,696,692,082.53/572,830.77
  6. Step 6: Final answer
    x = 816,465.73

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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.