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Finding the Fourth Proportional to 586,215.70, 879,323.55 and 349,825.30

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Solution

The fourth proportional to 586,215.70, 879,323.55 and 349,825.30 is: 524,737.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,215.70 : 879,323.55 = 349,825.30 : x
  2. Step 2: Convert to fraction form
    586,215.70/879,323.55 = 349,825.30/x
  3. Step 3: Cross multiply
    586,215.70x = 879,323.55 × 349,825.30
  4. Step 4: Simplify right side
    586,215.70x = 307,609,624,675.82
  5. Step 5: Solve for x
    x = 307,609,624,675.82/586,215.70
  6. Step 6: Final answer
    x = 524,737.95

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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.