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Finding the Fourth Proportional to 610,216.54, 915,112.44 and 250,285.16

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Solution

The fourth proportional to 610,216.54, 915,112.44 and 250,285.16 is: 375,340.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,216.54 : 915,112.44 = 250,285.16 : x
  2. Step 2: Convert to fraction form
    610,216.54/915,112.44 = 250,285.16/x
  3. Step 3: Cross multiply
    610,216.54x = 915,112.44 × 250,285.16
  4. Step 4: Simplify right side
    610,216.54x = 229,039,065,751.17
  5. Step 5: Solve for x
    x = 229,039,065,751.17/610,216.54
  6. Step 6: Final answer
    x = 375,340.64

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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.