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Finding the Fourth Proportional to 573,625.60, 860,438.40 and 307,905.10

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Solution

The fourth proportional to 573,625.60, 860,438.40 and 307,905.10 is: 461,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,625.60 : 860,438.40 = 307,905.10 : x
  2. Step 2: Convert to fraction form
    573,625.60/860,438.40 = 307,905.10/x
  3. Step 3: Cross multiply
    573,625.60x = 860,438.40 × 307,905.10
  4. Step 4: Simplify right side
    573,625.60x = 264,933,371,595.84
  5. Step 5: Solve for x
    x = 264,933,371,595.84/573,625.60
  6. Step 6: Final answer
    x = 461,857.65

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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.