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Finding the Fourth Proportional to 550,408.43, 825,612.65 and 497,264.33

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Solution

The fourth proportional to 550,408.43, 825,612.65 and 497,264.33 is: 745,896.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,408.43 : 825,612.65 = 497,264.33 : x
  2. Step 2: Convert to fraction form
    550,408.43/825,612.65 = 497,264.33/x
  3. Step 3: Cross multiply
    550,408.43x = 825,612.65 × 497,264.33
  4. Step 4: Simplify right side
    550,408.43x = 410,547,714,627.39
  5. Step 5: Solve for x
    x = 410,547,714,627.39/550,408.43
  6. Step 6: Final answer
    x = 745,896.49

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Double scale
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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.