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Finding the Fourth Proportional to 586,781.10, 880,200.45 and 306,845.10

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Solution

The fourth proportional to 586,781.10, 880,200.45 and 306,845.10 is: 460,282.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,781.10 : 880,200.45 = 306,845.10 : x
  2. Step 2: Convert to fraction form
    586,781.10/880,200.45 = 306,845.10/x
  3. Step 3: Cross multiply
    586,781.10x = 880,200.45 × 306,845.10
  4. Step 4: Simplify right side
    586,781.10x = 270,085,195,100.30
  5. Step 5: Solve for x
    x = 270,085,195,100.30/586,781.10
  6. Step 6: Final answer
    x = 460,282.71

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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.