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Finding the Fourth Proportional to 866,855.56, 1,300,341.66 and 334,381

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Solution

The fourth proportional to 866,855.56, 1,300,341.66 and 334,381 is: 501,594.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,855.56 : 1,300,341.66 = 334,381 : x
  2. Step 2: Convert to fraction form
    866,855.56/1,300,341.66 = 334,381/x
  3. Step 3: Cross multiply
    866,855.56x = 1,300,341.66 × 334,381
  4. Step 4: Simplify right side
    866,855.56x = 434,809,544,612.46
  5. Step 5: Solve for x
    x = 434,809,544,612.46/866,855.56
  6. Step 6: Final answer
    x = 501,594.00

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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.