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Finding the Fourth Proportional to 572,732.40, 859,098.60 and 306,355.80

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Solution

The fourth proportional to 572,732.40, 859,098.60 and 306,355.80 is: 459,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,732.40 : 859,098.60 = 306,355.80 : x
  2. Step 2: Convert to fraction form
    572,732.40/859,098.60 = 306,355.80/x
  3. Step 3: Cross multiply
    572,732.40x = 859,098.60 × 306,355.80
  4. Step 4: Simplify right side
    572,732.40x = 263,189,838,881.88
  5. Step 5: Solve for x
    x = 263,189,838,881.88/572,732.40
  6. Step 6: Final answer
    x = 459,533.70

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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.