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Finding the Fourth Proportional to 940,458, 1,409,304.24 and 555,810.96

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Solution

The fourth proportional to 940,458, 1,409,304.24 and 555,810.96 is: 832,899.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,458 : 1,409,304.24 = 555,810.96 : x
  2. Step 2: Convert to fraction form
    940,458/1,409,304.24 = 555,810.96/x
  3. Step 3: Cross multiply
    940,458x = 1,409,304.24 × 555,810.96
  4. Step 4: Simplify right side
    940,458x = 783,306,742,566.47
  5. Step 5: Solve for x
    x = 783,306,742,566.47/940,458
  6. Step 6: Final answer
    x = 832,899.23

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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.