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Finding the Fourth Proportional to 614,772.30, 848,390.58 and 342,857.46

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Solution

The fourth proportional to 614,772.30, 848,390.58 and 342,857.46 is: 473,145.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,772.30 : 848,390.58 = 342,857.46 : x
  2. Step 2: Convert to fraction form
    614,772.30/848,390.58 = 342,857.46/x
  3. Step 3: Cross multiply
    614,772.30x = 848,390.58 × 342,857.46
  4. Step 4: Simplify right side
    614,772.30x = 290,877,039,346.73
  5. Step 5: Solve for x
    x = 290,877,039,346.73/614,772.30
  6. Step 6: Final answer
    x = 473,145.98

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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.