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Finding the Fourth Proportional to 333,661.65, 500,254.69 and 156,071.85

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Solution

The fourth proportional to 333,661.65, 500,254.69 and 156,071.85 is: 233,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,661.65 : 500,254.69 = 156,071.85 : x
  2. Step 2: Convert to fraction form
    333,661.65/500,254.69 = 156,071.85/x
  3. Step 3: Cross multiply
    333,661.65x = 500,254.69 × 156,071.85
  4. Step 4: Simplify right side
    333,661.65x = 78,075,674,939.48
  5. Step 5: Solve for x
    x = 78,075,674,939.48/333,661.65
  6. Step 6: Final answer
    x = 233,996.55

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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.