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Finding the Fourth Proportional to 393,552, 590,427.63 and 113,069.25

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Solution

The fourth proportional to 393,552, 590,427.63 and 113,069.25 is: 169,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,552 : 590,427.63 = 113,069.25 : x
  2. Step 2: Convert to fraction form
    393,552/590,427.63 = 113,069.25/x
  3. Step 3: Cross multiply
    393,552x = 590,427.63 × 113,069.25
  4. Step 4: Simplify right side
    393,552x = 66,759,209,303.38
  5. Step 5: Solve for x
    x = 66,759,209,303.38/393,552
  6. Step 6: Final answer
    x = 169,632.50

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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.