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Finding the Fourth Proportional to 868,495.86, 1,302,702.08 and 237,411.09

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Solution

The fourth proportional to 868,495.86, 1,302,702.08 and 237,411.09 is: 356,105.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,495.86 : 1,302,702.08 = 237,411.09 : x
  2. Step 2: Convert to fraction form
    868,495.86/1,302,702.08 = 237,411.09/x
  3. Step 3: Cross multiply
    868,495.86x = 1,302,702.08 × 237,411.09
  4. Step 4: Simplify right side
    868,495.86x = 309,275,919,571.01
  5. Step 5: Solve for x
    x = 309,275,919,571.01/868,495.86
  6. Step 6: Final answer
    x = 356,105.23

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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.