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Finding the Fourth Proportional to 480,668.66, 720,951.10 and 160,784.26

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Solution

The fourth proportional to 480,668.66, 720,951.10 and 160,784.26 is: 241,159.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,668.66 : 720,951.10 = 160,784.26 : x
  2. Step 2: Convert to fraction form
    480,668.66/720,951.10 = 160,784.26/x
  3. Step 3: Cross multiply
    480,668.66x = 720,951.10 × 160,784.26
  4. Step 4: Simplify right side
    480,668.66x = 115,917,586,196.95
  5. Step 5: Solve for x
    x = 115,917,586,196.95/480,668.66
  6. Step 6: Final answer
    x = 241,159.03

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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.