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Finding the Fourth Proportional to 674,702.52, 1,012,219.84 and 475,412

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Solution

The fourth proportional to 674,702.52, 1,012,219.84 and 475,412 is: 713,235.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,702.52 : 1,012,219.84 = 475,412 : x
  2. Step 2: Convert to fraction form
    674,702.52/1,012,219.84 = 475,412/x
  3. Step 3: Cross multiply
    674,702.52x = 1,012,219.84 × 475,412
  4. Step 4: Simplify right side
    674,702.52x = 481,221,458,574.08
  5. Step 5: Solve for x
    x = 481,221,458,574.08/674,702.52
  6. Step 6: Final answer
    x = 713,235.01

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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.