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Finding the Fourth Proportional to 333,045.23, 499,731.86 and 155,526.44

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Solution

The fourth proportional to 333,045.23, 499,731.86 and 155,526.44 is: 233,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,045.23 : 499,731.86 = 155,526.44 : x
  2. Step 2: Convert to fraction form
    333,045.23/499,731.86 = 155,526.44/x
  3. Step 3: Cross multiply
    333,045.23x = 499,731.86 × 155,526.44
  4. Step 4: Simplify right side
    333,045.23x = 77,721,515,030.54
  5. Step 5: Solve for x
    x = 77,721,515,030.54/333,045.23
  6. Step 6: Final answer
    x = 233,366.25

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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.