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Finding the Fourth Proportional to 476,771.52, 715,146.21 and 240,050.64

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Solution

The fourth proportional to 476,771.52, 715,146.21 and 240,050.64 is: 360,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,771.52 : 715,146.21 = 240,050.64 : x
  2. Step 2: Convert to fraction form
    476,771.52/715,146.21 = 240,050.64/x
  3. Step 3: Cross multiply
    476,771.52x = 715,146.21 × 240,050.64
  4. Step 4: Simplify right side
    476,771.52x = 171,671,305,404.07
  5. Step 5: Solve for x
    x = 171,671,305,404.07/476,771.52
  6. Step 6: Final answer
    x = 360,070.39

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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.