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Finding the Fourth Proportional to 333,889.40, 500,835 and 97,237.88

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Solution

The fourth proportional to 333,889.40, 500,835 and 97,237.88 is: 145,857.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,889.40 : 500,835 = 97,237.88 : x
  2. Step 2: Convert to fraction form
    333,889.40/500,835 = 97,237.88/x
  3. Step 3: Cross multiply
    333,889.40x = 500,835 × 97,237.88
  4. Step 4: Simplify right side
    333,889.40x = 48,700,133,629.80
  5. Step 5: Solve for x
    x = 48,700,133,629.80/333,889.40
  6. Step 6: Final answer
    x = 145,857.08

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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.