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Finding the Fourth Proportional to 611,242.94, 843,602.98 and 366,237.38

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Solution

The fourth proportional to 611,242.94, 843,602.98 and 366,237.38 is: 505,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,242.94 : 843,602.98 = 366,237.38 : x
  2. Step 2: Convert to fraction form
    611,242.94/843,602.98 = 366,237.38/x
  3. Step 3: Cross multiply
    611,242.94x = 843,602.98 × 366,237.38
  4. Step 4: Simplify right side
    611,242.94x = 308,958,945,155.39
  5. Step 5: Solve for x
    x = 308,958,945,155.39/611,242.94
  6. Step 6: Final answer
    x = 505,460.15

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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.