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Finding the Fourth Proportional to 592,936.40, 889,404.60 and 326,559.80

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Solution

The fourth proportional to 592,936.40, 889,404.60 and 326,559.80 is: 489,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,936.40 : 889,404.60 = 326,559.80 : x
  2. Step 2: Convert to fraction form
    592,936.40/889,404.60 = 326,559.80/x
  3. Step 3: Cross multiply
    592,936.40x = 889,404.60 × 326,559.80
  4. Step 4: Simplify right side
    592,936.40x = 290,443,788,295.08
  5. Step 5: Solve for x
    x = 290,443,788,295.08/592,936.40
  6. Step 6: Final answer
    x = 489,839.70

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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.