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Finding the Fourth Proportional to 554,522.76, 831,783.60 and 133,798.50

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Solution

The fourth proportional to 554,522.76, 831,783.60 and 133,798.50 is: 200,697.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,522.76 : 831,783.60 = 133,798.50 : x
  2. Step 2: Convert to fraction form
    554,522.76/831,783.60 = 133,798.50/x
  3. Step 3: Cross multiply
    554,522.76x = 831,783.60 × 133,798.50
  4. Step 4: Simplify right side
    554,522.76x = 111,291,398,004.60
  5. Step 5: Solve for x
    x = 111,291,398,004.60/554,522.76
  6. Step 6: Final answer
    x = 200,697.62

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1.5x scale

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.