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Finding the Fourth Proportional to 594,666.77, 891,992.15 and 145,391.49

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Solution

The fourth proportional to 594,666.77, 891,992.15 and 145,391.49 is: 218,085.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,666.77 : 891,992.15 = 145,391.49 : x
  2. Step 2: Convert to fraction form
    594,666.77/891,992.15 = 145,391.49/x
  3. Step 3: Cross multiply
    594,666.77x = 891,992.15 × 145,391.49
  4. Step 4: Simplify right side
    594,666.77x = 129,688,067,575.06
  5. Step 5: Solve for x
    x = 129,688,067,575.06/594,666.77
  6. Step 6: Final answer
    x = 218,085.28

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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.