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Finding the Fourth Proportional to 586,731.40, 881,846.70 and 576,233.80

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Solution

The fourth proportional to 586,731.40, 881,846.70 and 576,233.80 is: 866,069.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,731.40 : 881,846.70 = 576,233.80 : x
  2. Step 2: Convert to fraction form
    586,731.40/881,846.70 = 576,233.80/x
  3. Step 3: Cross multiply
    586,731.40x = 881,846.70 × 576,233.80
  4. Step 4: Simplify right side
    586,731.40x = 508,149,874,958.46
  5. Step 5: Solve for x
    x = 508,149,874,958.46/586,731.40
  6. Step 6: Final answer
    x = 866,069.00

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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.