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Finding the Fourth Proportional to 1,957,438.60, 2,931,492.30 and 1,957,438.60

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Solution

The fourth proportional to 1,957,438.60, 2,931,492.30 and 1,957,438.60 is: 2,931,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957,438.60 : 2,931,492.30 = 1,957,438.60 : x
  2. Step 2: Convert to fraction form
    1,957,438.60/2,931,492.30 = 1,957,438.60/x
  3. Step 3: Cross multiply
    1,957,438.60x = 2,931,492.30 × 1,957,438.60
  4. Step 4: Simplify right side
    1,957,438.60x = 5,738,216,183,622.78
  5. Step 5: Solve for x
    x = 5,738,216,183,622.78/1,957,438.60
  6. Step 6: Final answer
    x = 2,931,492.30

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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.