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Finding the Fourth Proportional to 476,893.20, 714,688.56 and 240,395.88

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Solution

The fourth proportional to 476,893.20, 714,688.56 and 240,395.88 is: 360,265.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,893.20 : 714,688.56 = 240,395.88 : x
  2. Step 2: Convert to fraction form
    476,893.20/714,688.56 = 240,395.88/x
  3. Step 3: Cross multiply
    476,893.20x = 714,688.56 × 240,395.88
  4. Step 4: Simplify right side
    476,893.20x = 171,808,185,307.13
  5. Step 5: Solve for x
    x = 171,808,185,307.13/476,893.20
  6. Step 6: Final answer
    x = 360,265.54

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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.