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Finding the Fourth Proportional to 476,358.88, 713,871 and 357,954.64

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Solution

The fourth proportional to 476,358.88, 713,871 and 357,954.64 is: 536,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,358.88 : 713,871 = 357,954.64 : x
  2. Step 2: Convert to fraction form
    476,358.88/713,871 = 357,954.64/x
  3. Step 3: Cross multiply
    476,358.88x = 713,871 × 357,954.64
  4. Step 4: Simplify right side
    476,358.88x = 255,533,436,811.44
  5. Step 5: Solve for x
    x = 255,533,436,811.44/476,358.88
  6. Step 6: Final answer
    x = 536,430.51

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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.