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Finding the Fourth Proportional to 607,901.76, 838,936.32 and 366,260.16

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Solution

The fourth proportional to 607,901.76, 838,936.32 and 366,260.16 is: 505,458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,901.76 : 838,936.32 = 366,260.16 : x
  2. Step 2: Convert to fraction form
    607,901.76/838,936.32 = 366,260.16/x
  3. Step 3: Cross multiply
    607,901.76x = 838,936.32 × 366,260.16
  4. Step 4: Simplify right side
    607,901.76x = 307,268,950,793.01
  5. Step 5: Solve for x
    x = 307,268,950,793.01/607,901.76
  6. Step 6: Final answer
    x = 505,458.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.