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Finding the Fourth Proportional to 610,246.80, 915,629.40 and 294,541.20

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Solution

The fourth proportional to 610,246.80, 915,629.40 and 294,541.20 is: 441,936.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,246.80 : 915,629.40 = 294,541.20 : x
  2. Step 2: Convert to fraction form
    610,246.80/915,629.40 = 294,541.20/x
  3. Step 3: Cross multiply
    610,246.80x = 915,629.40 × 294,541.20
  4. Step 4: Simplify right side
    610,246.80x = 269,690,582,231.28
  5. Step 5: Solve for x
    x = 269,690,582,231.28/610,246.80
  6. Step 6: Final answer
    x = 441,936.91

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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.