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Finding the Fourth Proportional to 476,684.02, 715,015.10 and 239,963.14

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Solution

The fourth proportional to 476,684.02, 715,015.10 and 239,963.14 is: 359,939.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,684.02 : 715,015.10 = 239,963.14 : x
  2. Step 2: Convert to fraction form
    476,684.02/715,015.10 = 239,963.14/x
  3. Step 3: Cross multiply
    476,684.02x = 715,015.10 × 239,963.14
  4. Step 4: Simplify right side
    476,684.02x = 171,577,267,343.60
  5. Step 5: Solve for x
    x = 171,577,267,343.60/476,684.02
  6. Step 6: Final answer
    x = 359,939.21

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1.5x scale

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.