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Finding the Fourth Proportional to 590,019.28, 884,359.12 and 518,804.08

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Solution

The fourth proportional to 590,019.28, 884,359.12 and 518,804.08 is: 777,617.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,019.28 : 884,359.12 = 518,804.08 : x
  2. Step 2: Convert to fraction form
    590,019.28/884,359.12 = 518,804.08/x
  3. Step 3: Cross multiply
    590,019.28x = 884,359.12 × 518,804.08
  4. Step 4: Simplify right side
    590,019.28x = 458,809,119,641.21
  5. Step 5: Solve for x
    x = 458,809,119,641.21/590,019.28
  6. Step 6: Final answer
    x = 777,617.16

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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.