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Finding the Fourth Proportional to 624,234.90, 936,676.35 and 291,810.90

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Solution

The fourth proportional to 624,234.90, 936,676.35 and 291,810.90 is: 437,867.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,234.90 : 936,676.35 = 291,810.90 : x
  2. Step 2: Convert to fraction form
    624,234.90/936,676.35 = 291,810.90/x
  3. Step 3: Cross multiply
    624,234.90x = 936,676.35 × 291,810.90
  4. Step 4: Simplify right side
    624,234.90x = 273,332,368,702.22
  5. Step 5: Solve for x
    x = 273,332,368,702.22/624,234.90
  6. Step 6: Final answer
    x = 437,867.81

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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.