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Finding the Fourth Proportional to 425,070, 586,596.60 and 234,082.98

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Solution

The fourth proportional to 425,070, 586,596.60 and 234,082.98 is: 323,034.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,070 : 586,596.60 = 234,082.98 : x
  2. Step 2: Convert to fraction form
    425,070/586,596.60 = 234,082.98/x
  3. Step 3: Cross multiply
    425,070x = 586,596.60 × 234,082.98
  4. Step 4: Simplify right side
    425,070x = 137,312,280,185.87
  5. Step 5: Solve for x
    x = 137,312,280,185.87/425,070
  6. Step 6: Final answer
    x = 323,034.51

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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.