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Finding the Fourth Proportional to 476,274.88, 657,235.52 and 282,691.00

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Solution

The fourth proportional to 476,274.88, 657,235.52 and 282,691.00 is: 390,099.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,274.88 : 657,235.52 = 282,691.00 : x
  2. Step 2: Convert to fraction form
    476,274.88/657,235.52 = 282,691.00/x
  3. Step 3: Cross multiply
    476,274.88x = 657,235.52 × 282,691.00
  4. Step 4: Simplify right side
    476,274.88x = 185,794,563,098.14
  5. Step 5: Solve for x
    x = 185,794,563,098.14/476,274.88
  6. Step 6: Final answer
    x = 390,099.44

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1.5x scale

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.