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Finding the Fourth Proportional to 599,918.40, 900,460.80 and 363,722.40

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Solution

The fourth proportional to 599,918.40, 900,460.80 and 363,722.40 is: 545,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,918.40 : 900,460.80 = 363,722.40 : x
  2. Step 2: Convert to fraction form
    599,918.40/900,460.80 = 363,722.40/x
  3. Step 3: Cross multiply
    599,918.40x = 900,460.80 × 363,722.40
  4. Step 4: Simplify right side
    599,918.40x = 327,517,763,281.92
  5. Step 5: Solve for x
    x = 327,517,763,281.92/599,918.40
  6. Step 6: Final answer
    x = 545,937.19

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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.