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Finding the Fourth Proportional to 425,117.70, 586,688.90 and 234,131.04

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Solution

The fourth proportional to 425,117.70, 586,688.90 and 234,131.04 is: 323,115.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,117.70 : 586,688.90 = 234,131.04 : x
  2. Step 2: Convert to fraction form
    425,117.70/586,688.90 = 234,131.04/x
  3. Step 3: Cross multiply
    425,117.70x = 586,688.90 × 234,131.04
  4. Step 4: Simplify right side
    425,117.70x = 137,362,081,142.80
  5. Step 5: Solve for x
    x = 137,362,081,142.80/425,117.70
  6. Step 6: Final answer
    x = 323,115.41

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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.