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Finding the Fourth Proportional to 476,686.19, 715,030.44 and 116,858.61

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Solution

The fourth proportional to 476,686.19, 715,030.44 and 116,858.61 is: 175,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,686.19 : 715,030.44 = 116,858.61 : x
  2. Step 2: Convert to fraction form
    476,686.19/715,030.44 = 116,858.61/x
  3. Step 3: Cross multiply
    476,686.19x = 715,030.44 × 116,858.61
  4. Step 4: Simplify right side
    476,686.19x = 83,557,463,326.09
  5. Step 5: Solve for x
    x = 83,557,463,326.09/476,686.19
  6. Step 6: Final answer
    x = 175,288.20

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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.