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Finding the Fourth Proportional to 341,389.10, 512,083.65 and 235,100.90

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Solution

The fourth proportional to 341,389.10, 512,083.65 and 235,100.90 is: 352,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,389.10 : 512,083.65 = 235,100.90 : x
  2. Step 2: Convert to fraction form
    341,389.10/512,083.65 = 235,100.90/x
  3. Step 3: Cross multiply
    341,389.10x = 512,083.65 × 235,100.90
  4. Step 4: Simplify right side
    341,389.10x = 120,391,326,990.29
  5. Step 5: Solve for x
    x = 120,391,326,990.29/341,389.10
  6. Step 6: Final answer
    x = 352,651.35

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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.