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Finding the Fourth Proportional to 738,082.65, 1,107,123.98 and 738,082.65

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Solution

The fourth proportional to 738,082.65, 1,107,123.98 and 738,082.65 is: 1,107,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,082.65 : 1,107,123.98 = 738,082.65 : x
  2. Step 2: Convert to fraction form
    738,082.65/1,107,123.98 = 738,082.65/x
  3. Step 3: Cross multiply
    738,082.65x = 1,107,123.98 × 738,082.65
  4. Step 4: Simplify right side
    738,082.65x = 817,148,997,346.53
  5. Step 5: Solve for x
    x = 817,148,997,346.53/738,082.65
  6. Step 6: Final answer
    x = 1,107,123.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.