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Finding the Fourth Proportional to 601,822.60, 830,030.90 and 529,069.94

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Solution

The fourth proportional to 601,822.60, 830,030.90 and 529,069.94 is: 729,690.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,822.60 : 830,030.90 = 529,069.94 : x
  2. Step 2: Convert to fraction form
    601,822.60/830,030.90 = 529,069.94/x
  3. Step 3: Cross multiply
    601,822.60x = 830,030.90 × 529,069.94
  4. Step 4: Simplify right side
    601,822.60x = 439,144,394,778.26
  5. Step 5: Solve for x
    x = 439,144,394,778.26/601,822.60
  6. Step 6: Final answer
    x = 729,690.77

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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.