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Finding the Fourth Proportional to 306,210.10, 459,329.55 and 95,854.90

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Solution

The fourth proportional to 306,210.10, 459,329.55 and 95,854.90 is: 143,786.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,210.10 : 459,329.55 = 95,854.90 : x
  2. Step 2: Convert to fraction form
    306,210.10/459,329.55 = 95,854.90/x
  3. Step 3: Cross multiply
    306,210.10x = 459,329.55 × 95,854.90
  4. Step 4: Simplify right side
    306,210.10x = 44,028,988,082.30
  5. Step 5: Solve for x
    x = 44,028,988,082.30/306,210.10
  6. Step 6: Final answer
    x = 143,786.86

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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.