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Finding the Fourth Proportional to 601,641.40, 830,045.46 and 359,930.92

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Solution

The fourth proportional to 601,641.40, 830,045.46 and 359,930.92 is: 496,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,641.40 : 830,045.46 = 359,930.92 : x
  2. Step 2: Convert to fraction form
    601,641.40/830,045.46 = 359,930.92/x
  3. Step 3: Cross multiply
    601,641.40x = 830,045.46 × 359,930.92
  4. Step 4: Simplify right side
    601,641.40x = 298,759,026,059.62
  5. Step 5: Solve for x
    x = 298,759,026,059.62/601,641.40
  6. Step 6: Final answer
    x = 496,573.25

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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.