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Finding the Fourth Proportional to 601,809.99, 830,013.53 and 529,057.33

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Solution

The fourth proportional to 601,809.99, 830,013.53 and 529,057.33 is: 729,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,809.99 : 830,013.53 = 529,057.33 : x
  2. Step 2: Convert to fraction form
    601,809.99/830,013.53 = 529,057.33/x
  3. Step 3: Cross multiply
    601,809.99x = 830,013.53 × 529,057.33
  4. Step 4: Simplify right side
    601,809.99x = 439,124,741,954.61
  5. Step 5: Solve for x
    x = 439,124,741,954.61/601,809.99
  6. Step 6: Final answer
    x = 729,673.40

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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.