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Finding the Fourth Proportional to 563,344.36, 840,648.81 and 503,521

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Solution

The fourth proportional to 563,344.36, 840,648.81 and 503,521 is: 751,377.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,344.36 : 840,648.81 = 503,521 : x
  2. Step 2: Convert to fraction form
    563,344.36/840,648.81 = 503,521/x
  3. Step 3: Cross multiply
    563,344.36x = 840,648.81 × 503,521
  4. Step 4: Simplify right side
    563,344.36x = 423,284,329,460.01
  5. Step 5: Solve for x
    x = 423,284,329,460.01/563,344.36
  6. Step 6: Final answer
    x = 751,377.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.