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Finding the Fourth Proportional to 476,768.52, 715,141.71 and 240,047.64

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Solution

The fourth proportional to 476,768.52, 715,141.71 and 240,047.64 is: 360,065.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,768.52 : 715,141.71 = 240,047.64 : x
  2. Step 2: Convert to fraction form
    476,768.52/715,141.71 = 240,047.64/x
  3. Step 3: Cross multiply
    476,768.52x = 715,141.71 × 240,047.64
  4. Step 4: Simplify right side
    476,768.52x = 171,668,079,751.06
  5. Step 5: Solve for x
    x = 171,668,079,751.06/476,768.52
  6. Step 6: Final answer
    x = 360,065.89

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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.