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Finding the Fourth Proportional to 586,052.90, 879,113.40 and 226,225.79

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Solution

The fourth proportional to 586,052.90, 879,113.40 and 226,225.79 is: 339,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,052.90 : 879,113.40 = 226,225.79 : x
  2. Step 2: Convert to fraction form
    586,052.90/879,113.40 = 226,225.79/x
  3. Step 3: Cross multiply
    586,052.90x = 879,113.40 × 226,225.79
  4. Step 4: Simplify right side
    586,052.90x = 198,878,120,267.36
  5. Step 5: Solve for x
    x = 198,878,120,267.36/586,052.90
  6. Step 6: Final answer
    x = 339,351.83

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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.