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Finding the Fourth Proportional to 500,887.90, 691,329.72 and 460,537.72

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Solution

The fourth proportional to 500,887.90, 691,329.72 and 460,537.72 is: 635,638.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,887.90 : 691,329.72 = 460,537.72 : x
  2. Step 2: Convert to fraction form
    500,887.90/691,329.72 = 460,537.72/x
  3. Step 3: Cross multiply
    500,887.90x = 691,329.72 × 460,537.72
  4. Step 4: Simplify right side
    500,887.90x = 318,383,413,017.04
  5. Step 5: Solve for x
    x = 318,383,413,017.04/500,887.90
  6. Step 6: Final answer
    x = 635,638.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.