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Finding the Fourth Proportional to 578,507.52, 867,429.04 and 308,303

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Solution

The fourth proportional to 578,507.52, 867,429.04 and 308,303 is: 462,277.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,507.52 : 867,429.04 = 308,303 : x
  2. Step 2: Convert to fraction form
    578,507.52/867,429.04 = 308,303/x
  3. Step 3: Cross multiply
    578,507.52x = 867,429.04 × 308,303
  4. Step 4: Simplify right side
    578,507.52x = 267,430,975,319.12
  5. Step 5: Solve for x
    x = 267,430,975,319.12/578,507.52
  6. Step 6: Final answer
    x = 462,277.44

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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.