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Finding the Fourth Proportional to 573,699.90, 860,722.65 and 307,587.90

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Solution

The fourth proportional to 573,699.90, 860,722.65 and 307,587.90 is: 461,474.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,699.90 : 860,722.65 = 307,587.90 : x
  2. Step 2: Convert to fraction form
    573,699.90/860,722.65 = 307,587.90/x
  3. Step 3: Cross multiply
    573,699.90x = 860,722.65 × 307,587.90
  4. Step 4: Simplify right side
    573,699.90x = 264,747,872,395.94
  5. Step 5: Solve for x
    x = 264,747,872,395.94/573,699.90
  6. Step 6: Final answer
    x = 461,474.50

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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.