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Finding the Fourth Proportional to 607,047.40, 910,571.10 and 186,268.60

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Solution

The fourth proportional to 607,047.40, 910,571.10 and 186,268.60 is: 279,402.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,047.40 : 910,571.10 = 186,268.60 : x
  2. Step 2: Convert to fraction form
    607,047.40/910,571.10 = 186,268.60/x
  3. Step 3: Cross multiply
    607,047.40x = 910,571.10 × 186,268.60
  4. Step 4: Simplify right side
    607,047.40x = 169,610,803,997.46
  5. Step 5: Solve for x
    x = 169,610,803,997.46/607,047.40
  6. Step 6: Final answer
    x = 279,402.90

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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.