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Finding the Fourth Proportional to 586,450.60, 879,281.70 and 231,281.80

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Solution

The fourth proportional to 586,450.60, 879,281.70 and 231,281.80 is: 346,767.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,450.60 : 879,281.70 = 231,281.80 : x
  2. Step 2: Convert to fraction form
    586,450.60/879,281.70 = 231,281.80/x
  3. Step 3: Cross multiply
    586,450.60x = 879,281.70 × 231,281.80
  4. Step 4: Simplify right side
    586,450.60x = 203,361,854,283.06
  5. Step 5: Solve for x
    x = 203,361,854,283.06/586,450.60
  6. Step 6: Final answer
    x = 346,767.24

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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.