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Finding the Fourth Proportional to 849,995.52, 1,173,008.43 and 462,822

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Solution

The fourth proportional to 849,995.52, 1,173,008.43 and 462,822 is: 638,702.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,995.52 : 1,173,008.43 = 462,822 : x
  2. Step 2: Convert to fraction form
    849,995.52/1,173,008.43 = 462,822/x
  3. Step 3: Cross multiply
    849,995.52x = 1,173,008.43 × 462,822
  4. Step 4: Simplify right side
    849,995.52x = 542,894,107,589.46
  5. Step 5: Solve for x
    x = 542,894,107,589.46/849,995.52
  6. Step 6: Final answer
    x = 638,702.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.