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Finding the Fourth Proportional to 586,099.20, 879,148.80 and 349,708.80

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Solution

The fourth proportional to 586,099.20, 879,148.80 and 349,708.80 is: 524,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,099.20 : 879,148.80 = 349,708.80 : x
  2. Step 2: Convert to fraction form
    586,099.20/879,148.80 = 349,708.80/x
  3. Step 3: Cross multiply
    586,099.20x = 879,148.80 × 349,708.80
  4. Step 4: Simplify right side
    586,099.20x = 307,446,071,869.44
  5. Step 5: Solve for x
    x = 307,446,071,869.44/586,099.20
  6. Step 6: Final answer
    x = 524,563.20

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Similar ratio
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1.5x scale

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.