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Finding the Fourth Proportional to 596,090.40, 894,135.60 and 439,015.20

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Solution

The fourth proportional to 596,090.40, 894,135.60 and 439,015.20 is: 658,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    596,090.40 : 894,135.60 = 439,015.20 : x
  2. Step 2: Convert to fraction form
    596,090.40/894,135.60 = 439,015.20/x
  3. Step 3: Cross multiply
    596,090.40x = 894,135.60 × 439,015.20
  4. Step 4: Simplify right side
    596,090.40x = 392,539,119,261.12
  5. Step 5: Solve for x
    x = 392,539,119,261.12/596,090.40
  6. Step 6: Final answer
    x = 658,522.80

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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.