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Finding the Fourth Proportional to 333,986.40, 500,998.80 and 97,365.60

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Solution

The fourth proportional to 333,986.40, 500,998.80 and 97,365.60 is: 146,054.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,986.40 : 500,998.80 = 97,365.60 : x
  2. Step 2: Convert to fraction form
    333,986.40/500,998.80 = 97,365.60/x
  3. Step 3: Cross multiply
    333,986.40x = 500,998.80 × 97,365.60
  4. Step 4: Simplify right side
    333,986.40x = 48,780,048,761.28
  5. Step 5: Solve for x
    x = 48,780,048,761.28/333,986.40
  6. Step 6: Final answer
    x = 146,054.00

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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.