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Finding the Fourth Proportional to 1,051,569.15, 1,577,353.73 and 1,051,569.15

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Solution

The fourth proportional to 1,051,569.15, 1,577,353.73 and 1,051,569.15 is: 1,577,353.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,569.15 : 1,577,353.73 = 1,051,569.15 : x
  2. Step 2: Convert to fraction form
    1,051,569.15/1,577,353.73 = 1,051,569.15/x
  3. Step 3: Cross multiply
    1,051,569.15x = 1,577,353.73 × 1,051,569.15
  4. Step 4: Simplify right side
    1,051,569.15x = 1,658,696,515,847.58
  5. Step 5: Solve for x
    x = 1,658,696,515,847.58/1,051,569.15
  6. Step 6: Final answer
    x = 1,577,353.73

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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.