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Finding the Fourth Proportional to 476,366.17, 657,361.17 and 282,782.15

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Solution

The fourth proportional to 476,366.17, 657,361.17 and 282,782.15 is: 390,225.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,366.17 : 657,361.17 = 282,782.15 : x
  2. Step 2: Convert to fraction form
    476,366.17/657,361.17 = 282,782.15/x
  3. Step 3: Cross multiply
    476,366.17x = 657,361.17 × 282,782.15
  4. Step 4: Simplify right side
    476,366.17x = 185,890,004,979.12
  5. Step 5: Solve for x
    x = 185,890,004,979.12/476,366.17
  6. Step 6: Final answer
    x = 390,225.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.