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Finding the Fourth Proportional to 466,847.70, 700,271.55 and 289,700.70

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Solution

The fourth proportional to 466,847.70, 700,271.55 and 289,700.70 is: 434,551.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,847.70 : 700,271.55 = 289,700.70 : x
  2. Step 2: Convert to fraction form
    466,847.70/700,271.55 = 289,700.70/x
  3. Step 3: Cross multiply
    466,847.70x = 700,271.55 × 289,700.70
  4. Step 4: Simplify right side
    466,847.70x = 202,869,158,225.09
  5. Step 5: Solve for x
    x = 202,869,158,225.09/466,847.70
  6. Step 6: Final answer
    x = 434,551.05

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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.