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Finding the Fourth Proportional to 519,871.17, 779,881.14 and 160,072.46

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Solution

The fourth proportional to 519,871.17, 779,881.14 and 160,072.46 is: 240,131.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,871.17 : 779,881.14 = 160,072.46 : x
  2. Step 2: Convert to fraction form
    519,871.17/779,881.14 = 160,072.46/x
  3. Step 3: Cross multiply
    519,871.17x = 779,881.14 × 160,072.46
  4. Step 4: Simplify right side
    519,871.17x = 124,837,492,587.40
  5. Step 5: Solve for x
    x = 124,837,492,587.40/519,871.17
  6. Step 6: Final answer
    x = 240,131.59

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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.