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Finding the Fourth Proportional to 646,936.60, 970,404.90 and 590,949.40

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Solution

The fourth proportional to 646,936.60, 970,404.90 and 590,949.40 is: 886,424.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,936.60 : 970,404.90 = 590,949.40 : x
  2. Step 2: Convert to fraction form
    646,936.60/970,404.90 = 590,949.40/x
  3. Step 3: Cross multiply
    646,936.60x = 970,404.90 × 590,949.40
  4. Step 4: Simplify right side
    646,936.60x = 573,460,193,412.06
  5. Step 5: Solve for x
    x = 573,460,193,412.06/646,936.60
  6. Step 6: Final answer
    x = 886,424.10

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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.