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Finding the Fourth Proportional to 719,339.10, 992,625.06 and 460,759.86

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Solution

The fourth proportional to 719,339.10, 992,625.06 and 460,759.86 is: 635,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,339.10 : 992,625.06 = 460,759.86 : x
  2. Step 2: Convert to fraction form
    719,339.10/992,625.06 = 460,759.86/x
  3. Step 3: Cross multiply
    719,339.10x = 992,625.06 × 460,759.86
  4. Step 4: Simplify right side
    719,339.10x = 457,361,783,678.09
  5. Step 5: Solve for x
    x = 457,361,783,678.09/719,339.10
  6. Step 6: Final answer
    x = 635,808.32

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Double scale
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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.