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Finding the Fourth Proportional to 362,424.16, 544,522.32 and 342,281.44

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Solution

The fourth proportional to 362,424.16, 544,522.32 and 342,281.44 is: 514,258.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,424.16 : 544,522.32 = 342,281.44 : x
  2. Step 2: Convert to fraction form
    362,424.16/544,522.32 = 342,281.44/x
  3. Step 3: Cross multiply
    362,424.16x = 544,522.32 × 342,281.44
  4. Step 4: Simplify right side
    362,424.16x = 186,379,883,801.74
  5. Step 5: Solve for x
    x = 186,379,883,801.74/362,424.16
  6. Step 6: Final answer
    x = 514,258.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.