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Finding the Fourth Proportional to 553,894.39, 764,376.35 and 350,035.91

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Solution

The fourth proportional to 553,894.39, 764,376.35 and 350,035.91 is: 483,050.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,894.39 : 764,376.35 = 350,035.91 : x
  2. Step 2: Convert to fraction form
    553,894.39/764,376.35 = 350,035.91/x
  3. Step 3: Cross multiply
    553,894.39x = 764,376.35 × 350,035.91
  4. Step 4: Simplify right side
    553,894.39x = 267,559,165,682.67
  5. Step 5: Solve for x
    x = 267,559,165,682.67/553,894.39
  6. Step 6: Final answer
    x = 483,050.87

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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.