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Finding the Fourth Proportional to 573,345.40, 860,190.90 and 307,233.40

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Solution

The fourth proportional to 573,345.40, 860,190.90 and 307,233.40 is: 460,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,345.40 : 860,190.90 = 307,233.40 : x
  2. Step 2: Convert to fraction form
    573,345.40/860,190.90 = 307,233.40/x
  3. Step 3: Cross multiply
    573,345.40x = 860,190.90 × 307,233.40
  4. Step 4: Simplify right side
    573,345.40x = 264,279,374,856.06
  5. Step 5: Solve for x
    x = 264,279,374,856.06/573,345.40
  6. Step 6: Final answer
    x = 460,942.70

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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.