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Finding the Fourth Proportional to 358,393.32, 537,395.16 and 178,083.26

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Solution

The fourth proportional to 358,393.32, 537,395.16 and 178,083.26 is: 267,028.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,393.32 : 537,395.16 = 178,083.26 : x
  2. Step 2: Convert to fraction form
    358,393.32/537,395.16 = 178,083.26/x
  3. Step 3: Cross multiply
    358,393.32x = 537,395.16 × 178,083.26
  4. Step 4: Simplify right side
    358,393.32x = 95,701,082,001.02
  5. Step 5: Solve for x
    x = 95,701,082,001.02/358,393.32
  6. Step 6: Final answer
    x = 267,028.09

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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.