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Finding the Fourth Proportional to 583,429.70, 875,144.46 and 140,197.70

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Solution

The fourth proportional to 583,429.70, 875,144.46 and 140,197.70 is: 210,296.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,429.70 : 875,144.46 = 140,197.70 : x
  2. Step 2: Convert to fraction form
    583,429.70/875,144.46 = 140,197.70/x
  3. Step 3: Cross multiply
    583,429.70x = 875,144.46 × 140,197.70
  4. Step 4: Simplify right side
    583,429.70x = 122,693,240,459.74
  5. Step 5: Solve for x
    x = 122,693,240,459.74/583,429.70
  6. Step 6: Final answer
    x = 210,296.53

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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.