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Finding the Fourth Proportional to 583,628.60, 875,442.90 and 162,903.80

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Solution

The fourth proportional to 583,628.60, 875,442.90 and 162,903.80 is: 244,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,628.60 : 875,442.90 = 162,903.80 : x
  2. Step 2: Convert to fraction form
    583,628.60/875,442.90 = 162,903.80/x
  3. Step 3: Cross multiply
    583,628.60x = 875,442.90 × 162,903.80
  4. Step 4: Simplify right side
    583,628.60x = 142,612,975,093.02
  5. Step 5: Solve for x
    x = 142,612,975,093.02/583,628.60
  6. Step 6: Final answer
    x = 244,355.70

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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.