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Finding the Fourth Proportional to 992,494.72, 1,369,954.92 and 563,060.26

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Solution

The fourth proportional to 992,494.72, 1,369,954.92 and 563,060.26 is: 777,200.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,494.72 : 1,369,954.92 = 563,060.26 : x
  2. Step 2: Convert to fraction form
    992,494.72/1,369,954.92 = 563,060.26/x
  3. Step 3: Cross multiply
    992,494.72x = 1,369,954.92 × 563,060.26
  4. Step 4: Simplify right side
    992,494.72x = 771,367,173,443.48
  5. Step 5: Solve for x
    x = 771,367,173,443.48/992,494.72
  6. Step 6: Final answer
    x = 777,200.28

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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.