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Finding the Fourth Proportional to 586,093.80, 879,140.70 and 383,140.20

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Solution

The fourth proportional to 586,093.80, 879,140.70 and 383,140.20 is: 574,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,093.80 : 879,140.70 = 383,140.20 : x
  2. Step 2: Convert to fraction form
    586,093.80/879,140.70 = 383,140.20/x
  3. Step 3: Cross multiply
    586,093.80x = 879,140.70 × 383,140.20
  4. Step 4: Simplify right side
    586,093.80x = 336,834,143,626.14
  5. Step 5: Solve for x
    x = 336,834,143,626.14/586,093.80
  6. Step 6: Final answer
    x = 574,710.30

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Similar ratio
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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.