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Finding the Fourth Proportional to 553,191.37, 829,363.32 and 173,892.67

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Solution

The fourth proportional to 553,191.37, 829,363.32 and 173,892.67 is: 260,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,191.37 : 829,363.32 = 173,892.67 : x
  2. Step 2: Convert to fraction form
    553,191.37/829,363.32 = 173,892.67/x
  3. Step 3: Cross multiply
    553,191.37x = 829,363.32 × 173,892.67
  4. Step 4: Simplify right side
    553,191.37x = 144,220,200,041.46
  5. Step 5: Solve for x
    x = 144,220,200,041.46/553,191.37
  6. Step 6: Final answer
    x = 260,705.80

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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.