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Finding the Fourth Proportional to 590,982.60, 885,897.90 and 338,003.40

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Solution

The fourth proportional to 590,982.60, 885,897.90 and 338,003.40 is: 506,675.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,982.60 : 885,897.90 = 338,003.40 : x
  2. Step 2: Convert to fraction form
    590,982.60/885,897.90 = 338,003.40/x
  3. Step 3: Cross multiply
    590,982.60x = 885,897.90 × 338,003.40
  4. Step 4: Simplify right side
    590,982.60x = 299,436,502,252.86
  5. Step 5: Solve for x
    x = 299,436,502,252.86/590,982.60
  6. Step 6: Final answer
    x = 506,675.67

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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.