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Finding the Fourth Proportional to 425,298.21, 586,912.98 and 234,311.14

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Solution

The fourth proportional to 425,298.21, 586,912.98 and 234,311.14 is: 323,350.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,298.21 : 586,912.98 = 234,311.14 : x
  2. Step 2: Convert to fraction form
    425,298.21/586,912.98 = 234,311.14/x
  3. Step 3: Cross multiply
    425,298.21x = 586,912.98 × 234,311.14
  4. Step 4: Simplify right side
    425,298.21x = 137,520,249,424.60
  5. Step 5: Solve for x
    x = 137,520,249,424.60/425,298.21
  6. Step 6: Final answer
    x = 323,350.17

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1.5x scale

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.