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Finding the Fourth Proportional to 523,925.84, 784,707.18 and 366,855.50

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Solution

The fourth proportional to 523,925.84, 784,707.18 and 366,855.50 is: 549,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,925.84 : 784,707.18 = 366,855.50 : x
  2. Step 2: Convert to fraction form
    523,925.84/784,707.18 = 366,855.50/x
  3. Step 3: Cross multiply
    523,925.84x = 784,707.18 × 366,855.50
  4. Step 4: Simplify right side
    523,925.84x = 287,874,144,872.49
  5. Step 5: Solve for x
    x = 287,874,144,872.49/523,925.84
  6. Step 6: Final answer
    x = 549,455.90

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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.