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Finding the Fourth Proportional to 425,123.49, 586,696.95 and 234,136.83

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Solution

The fourth proportional to 425,123.49, 586,696.95 and 234,136.83 is: 323,123.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,123.49 : 586,696.95 = 234,136.83 : x
  2. Step 2: Convert to fraction form
    425,123.49/586,696.95 = 234,136.83/x
  3. Step 3: Cross multiply
    425,123.49x = 586,696.95 × 234,136.83
  4. Step 4: Simplify right side
    425,123.49x = 137,367,364,043.67
  5. Step 5: Solve for x
    x = 137,367,364,043.67/425,123.49
  6. Step 6: Final answer
    x = 323,123.44

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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.