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Finding the Fourth Proportional to 573,614.10, 860,421.15 and 307,893.60

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Solution

The fourth proportional to 573,614.10, 860,421.15 and 307,893.60 is: 461,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,614.10 : 860,421.15 = 307,893.60 : x
  2. Step 2: Convert to fraction form
    573,614.10/860,421.15 = 307,893.60/x
  3. Step 3: Cross multiply
    573,614.10x = 860,421.15 × 307,893.60
  4. Step 4: Simplify right side
    573,614.10x = 264,918,165,389.64
  5. Step 5: Solve for x
    x = 264,918,165,389.64/573,614.10
  6. Step 6: Final answer
    x = 461,840.40

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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.