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Finding the Fourth Proportional to 362,662.06, 540,348.04 and 342,289.76

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Solution

The fourth proportional to 362,662.06, 540,348.04 and 342,289.76 is: 509,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,662.06 : 540,348.04 = 342,289.76 : x
  2. Step 2: Convert to fraction form
    362,662.06/540,348.04 = 342,289.76/x
  3. Step 3: Cross multiply
    362,662.06x = 540,348.04 × 342,289.76
  4. Step 4: Simplify right side
    362,662.06x = 184,955,600,928.07
  5. Step 5: Solve for x
    x = 184,955,600,928.07/362,662.06
  6. Step 6: Final answer
    x = 509,994.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.