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Finding the Fourth Proportional to 1,159,155.55, 1,736,400.52 and 804,569.95

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Solution

The fourth proportional to 1,159,155.55, 1,736,400.52 and 804,569.95 is: 1,205,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,155.55 : 1,736,400.52 = 804,569.95 : x
  2. Step 2: Convert to fraction form
    1,159,155.55/1,736,400.52 = 804,569.95/x
  3. Step 3: Cross multiply
    1,159,155.55x = 1,736,400.52 × 804,569.95
  4. Step 4: Simplify right side
    1,159,155.55x = 1,397,055,679,556.37
  5. Step 5: Solve for x
    x = 1,397,055,679,556.37/1,159,155.55
  6. Step 6: Final answer
    x = 1,205,235.72

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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.