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Finding the Fourth Proportional to 583,090.60, 874,635.90 and 583,090.60

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Solution

The fourth proportional to 583,090.60, 874,635.90 and 583,090.60 is: 874,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,090.60 : 874,635.90 = 583,090.60 : x
  2. Step 2: Convert to fraction form
    583,090.60/874,635.90 = 583,090.60/x
  3. Step 3: Cross multiply
    583,090.60x = 874,635.90 × 583,090.60
  4. Step 4: Simplify right side
    583,090.60x = 509,991,971,712.54
  5. Step 5: Solve for x
    x = 509,991,971,712.54/583,090.60
  6. Step 6: Final answer
    x = 874,635.90

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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.