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Finding the Fourth Proportional to 536,533.40, 805,483.01 and 347,783.61

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Solution

The fourth proportional to 536,533.40, 805,483.01 and 347,783.61 is: 522,118.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,533.40 : 805,483.01 = 347,783.61 : x
  2. Step 2: Convert to fraction form
    536,533.40/805,483.01 = 347,783.61/x
  3. Step 3: Cross multiply
    536,533.40x = 805,483.01 × 347,783.61
  4. Step 4: Simplify right side
    536,533.40x = 280,133,787,272.55
  5. Step 5: Solve for x
    x = 280,133,787,272.55/536,533.40
  6. Step 6: Final answer
    x = 522,118.08

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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.