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Finding the Fourth Proportional to 573,090.70, 859,636.05 and 307,370.20

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Solution

The fourth proportional to 573,090.70, 859,636.05 and 307,370.20 is: 461,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,090.70 : 859,636.05 = 307,370.20 : x
  2. Step 2: Convert to fraction form
    573,090.70/859,636.05 = 307,370.20/x
  3. Step 3: Cross multiply
    573,090.70x = 859,636.05 × 307,370.20
  4. Step 4: Simplify right side
    573,090.70x = 264,226,504,615.71
  5. Step 5: Solve for x
    x = 264,226,504,615.71/573,090.70
  6. Step 6: Final answer
    x = 461,055.30

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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.