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Finding the Fourth Proportional to 456,444.85, 684,704.28 and 156,925.67

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Solution

The fourth proportional to 456,444.85, 684,704.28 and 156,925.67 is: 235,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,444.85 : 684,704.28 = 156,925.67 : x
  2. Step 2: Convert to fraction form
    456,444.85/684,704.28 = 156,925.67/x
  3. Step 3: Cross multiply
    456,444.85x = 684,704.28 × 156,925.67
  4. Step 4: Simplify right side
    456,444.85x = 107,447,677,890.87
  5. Step 5: Solve for x
    x = 107,447,677,890.87/456,444.85
  6. Step 6: Final answer
    x = 235,401.23

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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.