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Finding the Fourth Proportional to 536,914.34, 740,165.73 and 355,322.06

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Solution

The fourth proportional to 536,914.34, 740,165.73 and 355,322.06 is: 489,830.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,914.34 : 740,165.73 = 355,322.06 : x
  2. Step 2: Convert to fraction form
    536,914.34/740,165.73 = 355,322.06/x
  3. Step 3: Cross multiply
    536,914.34x = 740,165.73 × 355,322.06
  4. Step 4: Simplify right side
    536,914.34x = 262,997,211,925.00
  5. Step 5: Solve for x
    x = 262,997,211,925.00/536,914.34
  6. Step 6: Final answer
    x = 489,830.86

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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.