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Finding the Fourth Proportional to 590,081.80, 885,119.73 and 509,875.72

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Solution

The fourth proportional to 590,081.80, 885,119.73 and 509,875.72 is: 764,811.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,081.80 : 885,119.73 = 509,875.72 : x
  2. Step 2: Convert to fraction form
    590,081.80/885,119.73 = 509,875.72/x
  3. Step 3: Cross multiply
    590,081.80x = 885,119.73 × 509,875.72
  4. Step 4: Simplify right side
    590,081.80x = 451,301,053,837.78
  5. Step 5: Solve for x
    x = 451,301,053,837.78/590,081.80
  6. Step 6: Final answer
    x = 764,811.01

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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.