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Finding the Fourth Proportional to 423,276.89, 583,955.81 and 241,891.50

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Solution

The fourth proportional to 423,276.89, 583,955.81 and 241,891.50 is: 333,715.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,276.89 : 583,955.81 = 241,891.50 : x
  2. Step 2: Convert to fraction form
    423,276.89/583,955.81 = 241,891.50/x
  3. Step 3: Cross multiply
    423,276.89x = 583,955.81 × 241,891.50
  4. Step 4: Simplify right side
    423,276.89x = 141,253,947,419.34
  5. Step 5: Solve for x
    x = 141,253,947,419.34/423,276.89
  6. Step 6: Final answer
    x = 333,715.24

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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.