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Finding the Fourth Proportional to 575,969.19, 863,253.36 and 407,538.06

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Solution

The fourth proportional to 575,969.19, 863,253.36 and 407,538.06 is: 610,811.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,969.19 : 863,253.36 = 407,538.06 : x
  2. Step 2: Convert to fraction form
    575,969.19/863,253.36 = 407,538.06/x
  3. Step 3: Cross multiply
    575,969.19x = 863,253.36 × 407,538.06
  4. Step 4: Simplify right side
    575,969.19x = 351,808,599,622.88
  5. Step 5: Solve for x
    x = 351,808,599,622.88/575,969.19
  6. Step 6: Final answer
    x = 610,811.49

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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.