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Finding the Fourth Proportional to 496,405.52, 685,453.32 and 460,385.68

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Solution

The fourth proportional to 496,405.52, 685,453.32 and 460,385.68 is: 635,715.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,405.52 : 685,453.32 = 460,385.68 : x
  2. Step 2: Convert to fraction form
    496,405.52/685,453.32 = 460,385.68/x
  3. Step 3: Cross multiply
    496,405.52x = 685,453.32 × 460,385.68
  4. Step 4: Simplify right side
    496,405.52x = 315,572,892,836.46
  5. Step 5: Solve for x
    x = 315,572,892,836.46/496,405.52
  6. Step 6: Final answer
    x = 635,715.92

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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.