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Finding the Fourth Proportional to 601,821.19, 830,028.96 and 529,068.53

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Solution

The fourth proportional to 601,821.19, 830,028.96 and 529,068.53 is: 729,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,821.19 : 830,028.96 = 529,068.53 : x
  2. Step 2: Convert to fraction form
    601,821.19/830,028.96 = 529,068.53/x
  3. Step 3: Cross multiply
    601,821.19x = 830,028.96 × 529,068.53
  4. Step 4: Simplify right side
    601,821.19x = 439,142,203,799.70
  5. Step 5: Solve for x
    x = 439,142,203,799.70/601,821.19
  6. Step 6: Final answer
    x = 729,688.83

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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.