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Finding the Fourth Proportional to 522,908.04, 784,492.86 and 148,931.04

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Solution

The fourth proportional to 522,908.04, 784,492.86 and 148,931.04 is: 223,433.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,908.04 : 784,492.86 = 148,931.04 : x
  2. Step 2: Convert to fraction form
    522,908.04/784,492.86 = 148,931.04/x
  3. Step 3: Cross multiply
    522,908.04x = 784,492.86 × 148,931.04
  4. Step 4: Simplify right side
    522,908.04x = 116,835,337,512.37
  5. Step 5: Solve for x
    x = 116,835,337,512.37/522,908.04
  6. Step 6: Final answer
    x = 223,433.81

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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.