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Finding the Fourth Proportional to 586,068.80, 879,200.40 and 231,094.40

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Solution

The fourth proportional to 586,068.80, 879,200.40 and 231,094.40 is: 346,679.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,068.80 : 879,200.40 = 231,094.40 : x
  2. Step 2: Convert to fraction form
    586,068.80/879,200.40 = 231,094.40/x
  3. Step 3: Cross multiply
    586,068.80x = 879,200.40 × 231,094.40
  4. Step 4: Simplify right side
    586,068.80x = 203,178,288,917.76
  5. Step 5: Solve for x
    x = 203,178,288,917.76/586,068.80
  6. Step 6: Final answer
    x = 346,679.93

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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.