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Finding the Fourth Proportional to 590,967.60, 886,451.40 and 538,436.40

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Solution

The fourth proportional to 590,967.60, 886,451.40 and 538,436.40 is: 807,654.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,967.60 : 886,451.40 = 538,436.40 : x
  2. Step 2: Convert to fraction form
    590,967.60/886,451.40 = 538,436.40/x
  3. Step 3: Cross multiply
    590,967.60x = 886,451.40 × 538,436.40
  4. Step 4: Simplify right side
    590,967.60x = 477,297,700,590.96
  5. Step 5: Solve for x
    x = 477,297,700,590.96/590,967.60
  6. Step 6: Final answer
    x = 807,654.60

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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.