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Finding the Fourth Proportional to 451,514.06, 623,117.40 and 250,310.06

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Solution

The fourth proportional to 451,514.06, 623,117.40 and 250,310.06 is: 345,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,514.06 : 623,117.40 = 250,310.06 : x
  2. Step 2: Convert to fraction form
    451,514.06/623,117.40 = 250,310.06/x
  3. Step 3: Cross multiply
    451,514.06x = 623,117.40 × 250,310.06
  4. Step 4: Simplify right side
    451,514.06x = 155,972,553,781.04
  5. Step 5: Solve for x
    x = 155,972,553,781.04/451,514.06
  6. Step 6: Final answer
    x = 345,443.40

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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.