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Finding the Fourth Proportional to 423,359.15, 584,014.93 and 260,052.46

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Solution

The fourth proportional to 423,359.15, 584,014.93 and 260,052.46 is: 358,736.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,359.15 : 584,014.93 = 260,052.46 : x
  2. Step 2: Convert to fraction form
    423,359.15/584,014.93 = 260,052.46/x
  3. Step 3: Cross multiply
    423,359.15x = 584,014.93 × 260,052.46
  4. Step 4: Simplify right side
    423,359.15x = 151,874,517,113.06
  5. Step 5: Solve for x
    x = 151,874,517,113.06/423,359.15
  6. Step 6: Final answer
    x = 358,736.83

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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.