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Finding the Fourth Proportional to 672,165.40, 927,653.62 and 502,104.28

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Solution

The fourth proportional to 672,165.40, 927,653.62 and 502,104.28 is: 692,952.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,165.40 : 927,653.62 = 502,104.28 : x
  2. Step 2: Convert to fraction form
    672,165.40/927,653.62 = 502,104.28/x
  3. Step 3: Cross multiply
    672,165.40x = 927,653.62 × 502,104.28
  4. Step 4: Simplify right side
    672,165.40x = 465,778,852,959.49
  5. Step 5: Solve for x
    x = 465,778,852,959.49/672,165.40
  6. Step 6: Final answer
    x = 692,952.74

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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.