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Finding the Fourth Proportional to 510,618.33, 766,041.23 and 155,660.00

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Solution

The fourth proportional to 510,618.33, 766,041.23 and 155,660.00 is: 233,524.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,618.33 : 766,041.23 = 155,660.00 : x
  2. Step 2: Convert to fraction form
    510,618.33/766,041.23 = 155,660.00/x
  3. Step 3: Cross multiply
    510,618.33x = 766,041.23 × 155,660.00
  4. Step 4: Simplify right side
    510,618.33x = 119,241,974,420.74
  5. Step 5: Solve for x
    x = 119,241,974,420.74/510,618.33
  6. Step 6: Final answer
    x = 233,524.66

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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.