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Finding the Fourth Proportional to 504,491.08, 756,714.75 and 125,403.79

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Solution

The fourth proportional to 504,491.08, 756,714.75 and 125,403.79 is: 188,100.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,491.08 : 756,714.75 = 125,403.79 : x
  2. Step 2: Convert to fraction form
    504,491.08/756,714.75 = 125,403.79/x
  3. Step 3: Cross multiply
    504,491.08x = 756,714.75 × 125,403.79
  4. Step 4: Simplify right side
    504,491.08x = 94,894,897,598.90
  5. Step 5: Solve for x
    x = 94,894,897,598.90/504,491.08
  6. Step 6: Final answer
    x = 188,100.25

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Similar ratio
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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.