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Finding the Fourth Proportional to 599,994.40, 900,001.20 and 156,762.40

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Solution

The fourth proportional to 599,994.40, 900,001.20 and 156,762.40 is: 235,146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,994.40 : 900,001.20 = 156,762.40 : x
  2. Step 2: Convert to fraction form
    599,994.40/900,001.20 = 156,762.40/x
  3. Step 3: Cross multiply
    599,994.40x = 900,001.20 × 156,762.40
  4. Step 4: Simplify right side
    599,994.40x = 141,086,348,114.88
  5. Step 5: Solve for x
    x = 141,086,348,114.88/599,994.40
  6. Step 6: Final answer
    x = 235,146.11

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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.