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Finding the Fourth Proportional to 425,088, 586,621.44 and 234,100.98

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Solution

The fourth proportional to 425,088, 586,621.44 and 234,100.98 is: 323,059.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,088 : 586,621.44 = 234,100.98 : x
  2. Step 2: Convert to fraction form
    425,088/586,621.44 = 234,100.98/x
  3. Step 3: Cross multiply
    425,088x = 586,621.44 × 234,100.98
  4. Step 4: Simplify right side
    425,088x = 137,328,653,993.01
  5. Step 5: Solve for x
    x = 137,328,653,993.01/425,088
  6. Step 6: Final answer
    x = 323,059.35

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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.