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Finding the Fourth Proportional to 577,810.61, 866,964.03 and 223,073.74

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Solution

The fourth proportional to 577,810.61, 866,964.03 and 223,073.74 is: 334,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,810.61 : 866,964.03 = 223,073.74 : x
  2. Step 2: Convert to fraction form
    577,810.61/866,964.03 = 223,073.74/x
  3. Step 3: Cross multiply
    577,810.61x = 866,964.03 × 223,073.74
  4. Step 4: Simplify right side
    577,810.61x = 193,396,908,617.57
  5. Step 5: Solve for x
    x = 193,396,908,617.57/577,810.61
  6. Step 6: Final answer
    x = 334,706.40

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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.