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Finding the Fourth Proportional to 911,555.34, 1,257,881.73 and 503,652.72

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Solution

The fourth proportional to 911,555.34, 1,257,881.73 and 503,652.72 is: 695,005.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,555.34 : 1,257,881.73 = 503,652.72 : x
  2. Step 2: Convert to fraction form
    911,555.34/1,257,881.73 = 503,652.72/x
  3. Step 3: Cross multiply
    911,555.34x = 1,257,881.73 × 503,652.72
  4. Step 4: Simplify right side
    911,555.34x = 633,535,554,752.81
  5. Step 5: Solve for x
    x = 633,535,554,752.81/911,555.34
  6. Step 6: Final answer
    x = 695,005.04

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