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Finding the Fourth Proportional to 544,058.70, 816,088.05 and 538,809.90

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Solution

The fourth proportional to 544,058.70, 816,088.05 and 538,809.90 is: 808,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,058.70 : 816,088.05 = 538,809.90 : x
  2. Step 2: Convert to fraction form
    544,058.70/816,088.05 = 538,809.90/x
  3. Step 3: Cross multiply
    544,058.70x = 816,088.05 × 538,809.90
  4. Step 4: Simplify right side
    544,058.70x = 439,716,320,611.70
  5. Step 5: Solve for x
    x = 439,716,320,611.70/544,058.70
  6. Step 6: Final answer
    x = 808,214.85

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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.